To avoid multiple, repetitive post on all the bugs in GTA online, especially since the latest DLC release, this post will contain all the common bugs and will be updated as more are discovered and workarounds are found.
Please leave any other bugs you've encountered in the comments below and they may be added to the above list, but please note that this is not meant to be a discussion thread, it's meant to list common bugs so players who encounter them know they are not the only ones experiencing them.
Any comments/replies beyond simply listing a bug will be removed, and the user may be temporarily banned from the sub.
Before leaving a comment, please review the above list, and the comments below to see if what you're about to post has already been listed or commented on.
If you see a comment with the same bug you've experienced, please upvote it so we can see how many others are also experiencing that issue.
Posts about any of these bugs will be removed.


Bugs related to the Cayo Perico Heist DLC:

Not being able to join friends / error message displaying prompt declaring a certain player hasn’t finished the GTA Online tutorial.
Not being able to deliver various pieces of heist equipment to the Kosatka during missions.
During the Plasma Cutters mission, taking a picture of the heist prep board in the safe house won’t register and you can’t send it too Pavel to progress the mission.
During the RO-86 Alkonost Plane delivery mission and the Velum delivery mission, the delivery checkpoint will be stationed at the casino, either the garage, front door, or music locker enterances will be highlighted.
During the Longfin boat delivery mission the delivery checkpoint will not register the Longfin once it has reached it destination.
When poisoning the water tower on Cayo Perico, players have reported either themselves or other players dying randomly.
When hacking into El Rubio’s compound, players have reported being stuck on a static as the game loads the cameras in the compound.
When quitting GTA Online after doing a Cayo Perico Heist mission prep, the game won’t save your last prep, requiring you to do it again.
The Cayo Perico primary target value will sometimes not display correctly and there as issue the incorrect amount of money for stealing the primary target on hard mode.
In the Cayo Perico heist finale, selecting the drainage point as your entrance into the compound won’t register correctly on your map, with the highlighted icon being the main entrance rather than the back.
All of the Pariah’s spoilers won’t display visually for any player.
When using the track pad to open the interaction menu on the PS5, the game soft locks you out of using your interaction menu again.
When escaping the compound, sometimes the boats at both the main dock and north dock won’t spawn.
Killing the juggernuat may cause the alarms to go off in the compound, even if done stealthy.
Both the Tom Conners missions and the English Dave missions sometimes bug up and don't allow you to deliver an objective to the yellow circle.
When entering the compound, plyers are reporting disconnects, either the host of the heist leaves the game or another team member will leave randomly.
When leaving the compound, the game will not give you a way to escape, leaving you softlocked in the compound.
In the heist finale screen, platers report not being able to buy a heist support crew.
When completing the Cayo Peico heist, players report that they discount from the game as soon as the heist is finished, leaving them without their payment.
Some players report that the payouts are incorrect when being divided out to players, as an example, a 30/70 payout will change to a 15/85 payout when the heist ends.
Some players report losing their payout as soon a they reset the game.
Prep missions for the Cayo Perico heist will not start randomly.
During the Alkonost setup mission the laptop needed to progress the prep mission will not spawn.
During the Alkonost setup mission the plane will start smoking instantly when leaving the hanger, causing the plane to prematurely blow up before the mission ends.
When scoping out Cayo Perico for the second time, (steal the plane from the drug dealers,) the yellow dot mission marker will not display, not allowing the player to fly to Cayo Perico.
During the scope-out mission for Cayo Perico, players report the supply truck not spawning in.
When collecting the Chakra Stones for English Dave, collecting all he stones will not prompt the next mission objective.
When trying to obtain the safe codes from the head of security the casino penthouse, players report the main target not spawning, effectivly softlocking the player in the penthouse.
"Invisible guards" patrol the compound after you rob it, resulting in your player character getting caught.
Guards will sometimes not show up on the radar when on the Cayo Perico heist finale.
Players report different weapon loadouts, entry points, and exit points on the final heist rather than what they choose on the finale screen.
Players report that when entering the drainage pipe and surfacing into the compound, the game breaks stealth and puts you into combat.
The Madrazo files will sometimes get replaced with an entirely different target all together on a first run of the Cayo Perico heist.
Delivering anything to the Music Locker will sometimes not work.

Bugs related to the Casino Heist DLC and GTA Online Broadly:

Cannot deliver heist prep equipment: The vehicle will enter the yellow circle and nothing will happen.
Cannot deliver product from businesses: The drop/delivery won't register, or you enter the delivery circle and it won't register.
Cannot deliver Business Battle goods: Will not register when entering the yellow circle.
Falling through the map.
Getting stuck in the man trap or spawning under the map during the Casino Heist, or being disconnected.
Oppressor MKI, or any car floating in the air.
Flying over the water and respawning on the beach.
Changing lobbies but being put back into the same one.
Not receiving Elite bonuses after completing the Casino Heist.
Starting a Casino Heist and having no objective point on the map, causing players to have to leave the lobby.
Having to setup the Arcade again after previously doing the setup mission.
Vehicles/aircraft not spawning after being requested either from the mechanic, Ms. Baker, or through the interaction menu.
Nightclub technicians will stop producing certain products.
Certain vehicles losing their resistance to rockets/explosives. MOC, Avenger, etc...
Infinite loading screens
White screening during the Casino Heist end screens.
Heist cuts not being properly distributed after completing Heists.
Casino Heist being stuck once you leave the arcade: Can't move, etc...
Rewards in Arena Wars, or other jobs, not being properly calculated for the person in first place.
Trade prices not unlocking after completing the Casino Heist.
When searching for a casino heist through quick job in your cellphone, there's a chance it bugs out and upon joining the room, you're unable to see the finale board where you'd normally see the percentages and ready status.
On silent and sneaky, there's a chance the guards that are supposed to be moving around and patrolling stand completely still. This is both helpful and annoying in different parts of the heist and if you haven't got duggan shipments completed, you're pretty much fucked or forced to get creative.
On Big Con, sometimes the exit disguises don't spawn even though the run was done completely undetected (I've experienced this with gruppe sechs entry).
When collecting daily vault, sometimes it might happen that you get stuck in the animation without being able to stop.
The stockade sometimes spawns in the wrong arcade.
Getting stuck in an endless dancing loop during the Casino Heist setup for the level 2 keycards.
Incorrect getaway vehicles will spawn for the Casino Heist.
In Sumo(Remix) the wrong team will be awarded the win.
Mechanic will sometimes not spawn and the player will not be able to modify their vehicles.
MC business raids not sending message to players.
Dying during the explosives prep mission for the Casino heist can lead to a long, or infinite respawn.
During the Prison Break Heist Rashkovsky will not move, be invisible, or die after parachuting from the plane at the end of the Heist.


Please report bugs directly to Rockstar You can also link this post to them as well.
If you have lost money due to a bug, please open a support ticket.
-7DeadlyFetishes

This chapter was a labour of love, heists are hard. Big thanks to u/eruwenn for helping tidy up this bag of snakes.
First / Prev / Next

“Ranjaz K’Lua, you thieving scumbag!” the Kah’Ree in the purple suit exclaimed loudly as he spotted them across the busy room. “As I live and skral, I never thought you would have the Jolos show your face here again!”
Two J’Rami in suits detached themselves from the lobby wall, walking towards the Kittran and his friends. “Alfor, my old friend!” Ranjaz smiled broadly. “No need for the welcoming party, I’ve got your credits” —he gestured to Cygna— “and a sweetener, for all the trouble I caused last time.”
Alfor paused, lecherous eyes assessing the Fae’Dan. “You know I have a thing for purple.” He chuckled at his own joke and waved the guards back to their posts. “How about we have a drink, and discuss your forgiveness.” He pointed to Thor and Eruwenn. “Brought your own security, or are these Gal. Fed. goons? Everyone knows about your probation.”
The Kittran gave a broad grin. “I got a Tulseria-damned pardon, a new ship and a very lucrative opportunity.”
The Kah’Ree smiled. “How’d a thieving cat like you get a pardon?” He gave Ranjaz an appraising look up and down. “Oh? Now, let me guess, you need something from me and my brother?”
Ranjaz fired his finger guns. “You were always the smart one Alfor, that’s why you run the casino floor.” The Kittran stepped in close. “The item, do you still have it?”
Alfor tilted his head back and away from Ranjaz. “Your little guarantee?” He looked back down at Ranjaz. “We have it somewhere safe. Had some unusual people come by after you got caught. Asked a lot of questions. Made a lot of threats.” His face contorted in anger. “We got audited thanks to you.”
The Kittran smiled. “If only they knew you better, they could have simply paid you for the information.”
“We give nothing for free.” The Kah’Ree gave a sinister smile. “House rule.”
Ranjaz walked forward to put his his arm on Alfor’s back. “Let’s go see your brother. Have a few drinks, maybe gamble a little, and discuss our future riches.”

Ripley stood in the shadows of the staff shuttle bay, watching as the numerous employees of assorted races came and went. Loud laughter caught her attention, and a very strangely dressed Niham broke away from a small group and walked towards her. Ripley tried to maintain her low profile as the scantily clad female strutted towards her in long black boots with pointed heels that clacked loudly with every step.
Deliberately avoiding eye contact the Awakened tried to will herself into the wall but it was too late and a voice called out to her. “Hey Darling! You must be the one I’m looking for.”
Ripley shook her head. The Kittran had said the contact was an Ashi pirate captain, a master gambler and expert in procuring the unusual. “I don’t-”
“Listen cutie,” she interrupted, “you’re the one lurking in dark corners drawing attention to yourself. I’ve got your security card. You tell that fluffy little stud he owes me. And more than a bottle of Fae’Dan wine and a good time, if you know what I mean.” She held up the card between her fingers, just a little out of Ripley’s reach.
The Awakened considered the phrase ‘fluffy little stud’ and decided that, despite her hopes, this was probably her contact. “You’re Captain Whiplash?”
The Ashi laughed genuinely, the jiggling of tightly squeezed breasts bursting at shiny black restraints making Ripley nervous. “Oh, Darling! Only my little pets call me that! You may call me Sho’Na.”
Ripley was momentarily confused. “So, you aren’t a pirate captain?”
“I’m anything they pay me to be.” She smiled at the silver-haired woman's naivety. “You really are new to this.”
Ripley, caught off guard, simply nodded, then replied, “I’m a quick learner.”
“Good for you, Darling.” Sho’Na handed over the card. “Just make sure you get paid up front, and don’t use your real name with clients. Ruins the mystique.”
Ripley was unsure of what was being said. Turning the card over in her hands she saw that the holo-image on the front was of a male Arkellian. “This isn’t me?”
“Honey, I was given half a cycle to get you a level three security card. Just be glad it’s a biped.” Sho’Na looked Ripley up and down. “Our mutual acquaintance told me you were some sort of master of disguise who could even trick Selva Blaster.”
Ripley paused, then smiled. Her appearance had become such an integral part of her identity she had forgotten that it was entirely optional. “It won’t be a problem.” She looked at the card again. “Unless the owner comes looking for it.”
Sho’Na gave another bosom-trembling laugh that threatened to spill out at any moment. “Oh, don’t worry, he’s tied up at the moment.”
The Awakened considered the risk. “Hmmm, but for how long?”
The few strips of shiny black material that comprised Sho’Na’s revealing outfit strained under her amusement. “Don’t you worry, Darling. He paid for the whole night.”

Eruwenn had reassessed her opinion of Ranjaz many times since meeting him. The criminal. The loyal friend. The lazy trouble-maker. All were true, but now she was seeing something new. He sat opposite Toran, the brother of Alfor, in a game of dalcho she wished she could have taken part in, but was equally glad she did not.
At first she had thought the Kittran was outmatched, a few reckless mistakes costing him dearly as the Kah’Ree deftly selected his tiles. Toran was clearly a seasoned gambler, using a blend of the Remee Le’Bow Gambit and the Kowals’Kee Analysis she hadn’t seen before. It seemed to be dismantling Ranjaz’s tiles before he could even prepare his cards. A few fortunate dice rolls and he had taken a strong lead from the outset. The Kittran appeared desperate, playing any tile available to try and slow the defeat.
It had all been a ruse, she saw it; Ranjaz had saved his best tiles and carefully thrown hands to manipulate the cards. In just a few rounds he would be able to dominate the board and raise the stakes, recouping his losses and changing the course of the game entirely. She had encountered few players who could manipulate the game so deftly, using memory and layers of strategy to corner their opponent. It was magnificent.
Eruwenn couldn’t tear her eyes from the board as she stood beside Thor. The Awakened had shown no interest in the game, studiously watching the opposite door as Toran’s staff came in and out. When a waiter entered and began preparing drinks at the small private bar in the executive gambling room, Thor coughed. It was a strange thing for an Awakened to do, and Eruwenn finally looked up from the table. “Are you ok?”
Thor nodded. By the time he had looked towards her, she had returned her attention completely to the game. “You don’t seem concerned about your friend?” he asked.
The Anatidae watched as Ranjaz used a blind double feint, and the sheer audacity of such a move made her swallow hard. She didn’t look back to Thor, but mumbled a response. “I’m very confident in her abilities.”
The waiter was methodically placing drinks by each of the players, but when they stood behind Ranjaz the Kittran surged to his feet, shouting, “Hey! No cheating Toran! Getting your waiter to look over my shoulder? That’s a dirty move I’d expect from your brother!”
Thor had reacted faster than Eruwenn, pinning the arms of the Arkellian waiter in a vice-like bear hug. Toran slowly stood. He was big, heavily muscled, and the veins on his neck bulged as his anger rose. “Don’t accuse me in my own place.” He cracked his knuckles and glowered down at Ranjaz. “I run a straight game.”
Fearlessly the Kittran walked right up to the Kah’Ree and stared up into his face from waist height. “Don’t try and intimidate me, you son of a Vogel.” Ranjaz puffed out his chest and began pushing the burly casino owner. “Nobody cheats me!”
The blow caught Ranjaz across the cheek and sent him sprawling across the room. Eruwenn winced at the impact, but maintained her composure. Toran laughed. “Watch your tongue or I’ll add it to my collection.” He walked round the table and kicked Ranjaz in the stomach, glaring at Thor and Eruwenn, daring them to act. “Know your place trash. You’re at this table because you put credits up front. You are a dishonest thief, begging for scraps, and cosying up to me any my brother to get your little trinket back.” He returned to his seat. “Why would I need to cheat against the likes of you?”
Ranjaz stood, brushing himself off. “Fine, fine.” He waved a hand and Thor dropped the Arkellian. Ranjaz tapped him on the chest. “My mistake.” He sat down and picked up his cards once more. “You’re right Toran, you run a clean game. I’m just a sore loser.” He shuffled the order of the tiles that were still face down on the table. “To show my sincerity, how about we double the buy for the rest of the game?”
Toran snorted. “Double?” He looked at the Kittran, scrutinising his opponent. The game was already over; he had control of the board and his tiles occupied the three prime positions. Was the thief trying to buy his favour, he wondered? How much was the trinket he wanted truly worth? He decided it was worth testing. “Triple, and I’ll forget you dared touch me.”
The Kittran swallowed hard, his ears flat to his head. Toran momentarily worried he’d pushed for too much but a decision seemed to be reached. “Fine. Triple.” The look of defeat was delicious to the Kah’Ree.

Cygna had done her part and lured Alfor to a private room away from his security. She had danced, skipped and side-stepped his groping hands so far, maintaining a playfulness that ensured he complied. This sort of thing was not new to her; she had spent time undercover in the past. Fortunately, there had been little call for it since she had joined forces with Eruwenn.
Alfor’s eyes scanned her body once more. “The Kittran has very good taste.” He licked his lips, a small amount of drool escaping and running down his chin. He wiped it on his sleeve. “Now, I brought you somewhere quiet. How about you show me how sweet you can be?”
The Fae’Dan smiled coyly and continued her dancing just out of reach, glancing to the doorway where Alfor’s two guards stood watching her. “With an audience?” She raised her eyebrows expectantly.
With a sly grin he waved the guards out of the room. “Now come here and let me satisfy you like only a Kah’Ree can.” His eyes wandered over her body once more.
Cygna smiled, her own eyes moving from the Kah’Ree’s hands to his shoulders, then up towards his neck. An interesting fact about the Kah’Ree was the thick blood vessels on the side of their neck. They often bulged when a Kah’Ree was angry or excited, like Alfor’s were as he leered at her. She danced closer. Another interesting fact was that their brains were not as efficient as those of other species, hence the requirement for additional blood flow; more oxygen per limited thought.
He leaned forward, his eyes locked to her swaying hips. Cygna turned slowly, and his head tilted to appreciate her assets. The third, lesser known, fact about the Kah’Ree was that an interruption to the blood flow while they were in this excited state caused them to lose consciousness rapidly as their brain burned through the available oxygen. “My eyes are up here.” She smiled as he looked up at her with his head still tilted.
He sneered. “Who ca-”
The Fae’Dan struck the side of his neck with the edge of her hand, targeting the throbbing blood vessel with a powerful blow. The interruption to his brain's oxygen supply worked perfectly and he fell face forward onto the ground at her feet. She let out a sigh of relief and looked down at his unconscious body. “Thank you, that was particularly satisfying.”
She walked over to the door and peeked out, finding the guards standing either side. “He said to order us some drinks.” One of the guards nodded and immediately put his hand to his lapel communicator.
Back inside the room, Cygna used her foot to roll Alfor to his back and began searching his pockets. She came up empty. Her eyes caught a glimmer from his collar and she found a heavy gold chain, at the end of which was his security key. She removed it just as a knock came at the door. A deep voice from the other side called out. “Your drinks, boss.”
The Fae’Dan quickly messed up her hair. Using the back of her hand she smeared her lipstick sideways, and then pulled the strap of her dress down off her shoulder. She opened the door and, to her surprise, was faced with an Arkellian waiter. The bodyguards noted her dishevelled appearance and shared a smirk, and she said, “Oh, I wasn’t expec-”
The waiter pushed the trolley into the room. “Don’t keep the boss waiting, lady.” Before Cygna could reply they were inside and the door closed. “Relax, it’s me.”
Ripley’s voice sounded bizarre coming from the male Arkellian form, and Cygna’s eyes went wide in shock. Her sharp mind quickly adjusted to this new information. Of course the Awakened could change their physical appearance; she had just never seen it. They all seemed quite attached to their chosen human forms. “Neat trick.” She held out Alfor’s key. “Did you get the other one?”
Ripley nodded. “The Kittran played his part well. I didn’t see him take it, and didn’t feel it when he placed it in my pocket. Now that was a neat trick.”
The Fae’Dan smiled. “I think I’ll pass on that dalcho game.”
The Arkellian Ripley smiled. “Probably wise.” Turning, she slipped the key into her pocket and headed back out of the door.

Ripley entered the elevator to the owner's private offices on the top floor. Thanks to the distractions downstairs, the two large desks in the centre of the room were empty. She walked straight past them to the large leokas painting on the wall and swung it forward. Behind it was a Fae’Dan safe; she took out the two keys and a small homemade device the Kittran had given her.
Attaching the device to the bio-lock and standing before the safe, she elongated her arms to reach both key positions at once. There was more than one reason she was the one chosen for this task. The device beeped twice and small lights above each lock lit up. She simultaneously turned both keys, and there was a satisfying clunk.
She raised an eyebrow. The device had worked. The heavy safe door swung open and she began her search. Ranjaz had been very specific: while there was one item she had to get, she was to grab as much as possible to obscure their true target.
Quickly grabbing as much as she could she retrieved the keys and ran back across the room towards the elevator.

Cygna hauled Alfor back onto the seat, putting him in a more natural position and messing up his hair. She looked away as she began unbuttoning his clothes, pulling his trousers around his ankles and opening his shirt up to bare his chest. From a secret pocket inside her dress she pulled out a lace thong, setting it on his head like a bandana. She also had a small box which she opened, inside of which was a replica mouth with lipstick that matched her own.
Cygna carefully applied kiss marks all over his exposed skin before popping the fake lips back into the secret pocket. She took the Fae’Dan wine and partially filled two glasses, making sure to take a long drink from one and leave more lipstick marks. The rest of the wine was poured into the ice bucket.
She heard the sound of voices outside the door. The guards were arguing with someone, refusing them entry, but when the name Toran was mentioned it was Ripley who entered, still in uniform but now looking much like her usual self. She smirked at the Kah’Ree in his derobed state. “I can see you had fun.”
The Fae’Dan chuckled. “That’s the idea.” She looked at the Awakened in her true form. “You look… better.”
Ripley cocked her head. “It would be strange if the waiter came back to deliver a message.” She tossed the necklace key to Cygna, who replaced it on Alfor’s neck.
Reclining on the sofa and picking up her glass, Cygna took another long drink. “Get the other one back to Ranjaz quickly. This one won’t be napping much longer.”
The Awakened gave an almost Ranjaz-like grin. “You could always hit him again.” Before the Fae’Dan could reply she had ducked back out of the door. She caught the eye of one of the bodyguards and gave a head tilt back towards the room. “The boss is really enjoying himself!”
As the suited pair chuckled, the larger of the two got a message in his ear piece. “Hey, silver hair.” He grunted. “Boss has an important guest. Meet them in the foyer and bring them to the dalcho room.”
Ripley was relieved – she needed a reason to get into that room. “On my way.”

Toran was seething as he watched as the Kittran flipped his final tile. Why would he have waited so long to play the Wings of Tulseria tile? His stomach sank, and he couldn’t hold back his anger any longer. “Damn you!”
Ranjaz gave a full-fanged grin. “Looks like my luck turned at just the right moment.”
“Luck!” Toran’s tile snapped between his fingers. Why had he let the damned cat goad him into constantly increasing their bet? The cycle had started with him owing the brothers a million credits plus interest, and now the infuritating Kittran had won nearly forty times that. “Nobody is that lucky.”
“Woah!” Ranjaz held up his hands. “I would never cheat, well... certainly not a second time. After you caught me, I’d be a fool to try.”
“Hmm.” Toran looked at the two behind the Kittran. The big one would be a problem, but the Anatidae looked to be nothing special. “How about I give you back your little trinket and we call it even?”
“My trinket?” Ranjaz shook his head. “I had to convince you it was worth the million I owed. Why would you think I’d trade it for thirty eight million credits? I’ll pay what I owe, take my trinket and my winnings and leave.”
Toran folded his arms and looked across the dalcho board at Ranjaz. “And why would I let you do that?” The atmosphere in the room changed as the two security guards changed their stance. “Transfer the credits back to the house.”
Ranjaz dropped the grin, replacing it with a defiant glare. “What happened to you running a straight game?”
“The game was straight. You won, didn’t you?” He leaned forward, his eyes cold and hard. “You’re just in no position to collect.”
The Kittran was about to argue when the door behind Toran opened. He looked up as Ripley entered, and his eyes widened in shock. She wasn’t alone. “Toran, you bastard! You sold me out!”
“For ten million credits.” Toran stared hard at Ranjaz. “Care to make a better offer?”
Eruwenn’s eyes blazed with anger as the grey-suited Niham pulled up a seat and sat down beside Toran. “Now, now, you lied to me about having the item before. Don’t double cross me.” Sentinel Krast placed his hands together on the table, interlacing his fingers. “I’m not somebody who forgives easily.” He looked directly at Eruwenn. “Isn’t that right, former Councillor? A little far from your new Ambassador position, aren’t you?”
Ripley stood back against the wall. She had no idea who the newcomer was, but this most definitely was not the plan. The golden green Anatidae walked forward to stand behind Ranjaz. “Oh, I had a little vacation time saved up, and decided to spend it with my good friend here.” She placed a hand on the Kittrans shoulder. “And what brings a Sentinel here?”
Krast’s lips curled in what might approximate a smile. “I’m also acquainted with Mr K’Lua. In fact, we go back a very long way.” He turned to look directly at Ranjaz. “Now, return what is mine.”
Toran looked from Ranjaz to Krast. “Yours? You don’t look like the tiara wearing type.”
The Sentinel didn’t turn his head. “Ah, so you hid the data chip inside some shiny bauble. As inventive as ever, Mr K’Lua.” The Niham finally acknowledged Toran by looking at him. “Bring. It. Here.”
The Kah’Ree sucked air through his teeth. “Well, seems like we have something mighty important, and two very interested parties.” He stood and walked to his two security officers, who drew their weapons in unison. “Now then, I believe you” —he nodded to Krast— “offered ten million. How about it Ranjaz, old friend? What’s your counter offer?”
The Kittran had been sitting, silently seething at his double cross being double crossed. He looked at Krast. “Were you the one?”
Toran was surprised at being ignored, but before he could reply Krast answered, “The one?”
Ranjaz’s eyes narrowed, his ears alert, his tail swishing aggressively. “The one who took my friend!” he snarled as he felt Eruwenn’s hand holding him back gently.
Krast’s eyes glittered as he saw the impotent rage in his opponent’s eyes. “Ah, the poor deceased human?” He smiled his mannequin-esque smile. “And if I was?”
Toran snatched a pistol from one of his men and fired a blast at the ceiling. “Your quarrel can wait. Let’s settle our business first and you can kill each other after I’m paid.” He paused, then added, “but, not in my casino. Body disposal costs extra.”
Eruwenn’s hand gripped Ranjaz’s shoulder harder, and he braced himself. In one smooth move she both threw him backwards and to the right, and kicked the dalcho table up and forward into Krast's face. The Sentinel fell backwards as a blast from Toran struck the table, but Eruwenn was already on the move, sidestepping left and ducking forward into a cartwheel. Toran's gun had been following Ranjaz, but as her leg swept down it knocked the weapon from his grip.
Once she stabilized, her fist, already primed with momentum from the cartwheel, struck Toran below the ribs and knocked the wind from him. The guard, whose gun the Kah'Ree had been holding, lunged forward to grab Eruwenn but she simply deflected his hand, pairing his forward momentum with her rising elbow to swiftly render him unconscious.
The second guard had just begun to raise his weapon when a huge fist struck him in his chest, sending him careening backwards into the wall. Thor loomed over him, shaking his head as he retrieved the energy pistol. “Too slow.”
Ripley helped Ranjaz to his feet as Krast pushed the table off his chest. Toran was coughing and struggling to breathe as Ranjaz pressed the retrieved energy pistol to his forehead. “Double cross me?” He dragged the Kah’Ree forward. “I want to see the item, then I’ll pay what I owe.” The two of them awkwardly made their way back towards Krast, so Ranjaz could point the gun in his face. “Then we can talk about your body disposal fee.”
Krast stood, and his phony smile was gone. “You can’t kill me. The Sentinels will tear this place apart, hunt you down and kill you. You think I came alone? My ship is in orbit and waiting for my orders!”
Ranjaz grabbed him by the jacket, pulling him down to his level, and struck him in the face with the butt of the pistol. Thor cooly kept his stolen pistol pointed at Toran and the one conscious guard. By the third blow Krast’s face was bloody, his nose broken and he began to struggle against Ranjaz’s assault.
A muted boom caused everyone present to stop in their tracks. Alarms began to sound and Toran swore loudly. He pulled out his communicator, ignoring Thor’s pistol. “What the hell was that!” He held the device close as he listened. “My office?” He patted his pocket. Finding his key in place, he looked to Ranjaz and then Krast. “Seal the casino! And where is my brother?”
Ripley suddenly understood why the Kittran had told her to leave his device on the safe door. After a brief further moment of shock, which she kept from showing on her face, she realized that she had been carrying an explosive without being told. If they survived, Ranjaz was going to need to explain himself. Thoroughly.
Eruwenn, Thor and Ranjaz had backed away to the opposite side of the room, standing by the door. Krast stood alone, holding his profusely bleeding nose. The opposite door soon opened to reveal scrambling casino security, with Toran and his guard standing nearby.
The unconscious guard was carried out without comment, and the Kah’Ree turned to Ripley. “Why are you still here?” She nodded and slipped out of the door, leaving one less concern for the remaining three. “Alright, which one of your skrolg-licking bastards broke into my private safe?”
Krast spat blood onto the floor, pointing at Ranjaz. “He’s the thief. You and I had a deal.”
The Kittran smirked. “I’m a better thief than blowing up a Tulseria-damned safe. If I wanted to steal it, I would have done just that. I would not have announced my arrival and sat down to a game of dalcho.”
Toran looked between the two of them. “He’s got a point.” One of his men handed him a pistol, and he continued to talk a little distractedly into his communicator. “Well, check everywhere!”
Ranjaz stirred the pot. “He’s the bastard who double crossed me, why would he honour your deal?”
Eruwenn nodded. “A government agent can’t be seen working with criminals.”
Krast's face contorted in rage. “Don’t be a damned fool, Toran!” He pointed at Ranjaz. “This is clearly some convoluted distraction.”
Toran shook his head. “They had the upper hand. You were the one getting your face ruined.”

Cygna watched nervously as Alfor began to stir. Things were taking a lot longer than expected. Finally, her signal came; it was not as subtle as she had been led to believe. As soon as the explosion went off the two bodyguards quickly came into the room, glancing from Alfor’s sleeping body to her. She staggered forward, wine bottle in hand. “We need more drinkshh!”
The guard ignored her as he saw the condition of his boss. “Not again,” he groaned. “Toran will kill us for letting him get like this.”
The second guard stepped out into the corridor. “I’m not dressing him! Last time he tried to kiss me!”
Cygna paused, not having expected it to go this way. The first bodyguard walked out as well. “He pissed on my new shoes the time before that. I’m not moving him.”
Their communicators went off and their faces became more serious. Bodyguard two spoke first. “Damn it. Toran wants him.”
The first turned to look at the increasingly bewildered Cygna. “You!” He smiled. “You got him undressed. You can dress him.”
Cygna spotted Ripley running down the corridor towards them, causing her confusion to grow further. The Awakened shouted one word. “Sentinels!”
The Fae’Dan’s mind raced. The plan was clearly blown, and they had to get out. Fast. As the guards were now facing Ripley, she took the opportunity to kick one in the back of the knee. He fell forward, and as the second turned he was met with the upward swing of a wine bottle. The first guard discovered first-hand the shocking truth of how hard the knee of an Awakened could be, and both were unconscious by the time they hit the ground.
Cygna smiled at Ripley. "Thanks."
The Awakened gave a swift nod of acknowledgement. “A Sentinel turned up, so Ranjaz set off the diversion he promised. The other brother is busy trying to figure out whether it’s us or the Sentinels robbing him.”
Cygna took on board the new information quickly, knowing she needed to help the others. “I have an idea. Lie over there and look dead.” She ran back into the room, where Alfor was groaning and starting to move. She slipped the chain from his neck and dropped it into the ice bucket, where it sank out of sight below the dark Fae’Dan wine. She began to slowly shake him.
“Huh,” he grumbled, and slowly opened his eyes. “Wha.. what happened?”
Cygna clung to him tightly. “Oh thank goodness! I thought they killed you!”
“Killed?” Alfor’s head was pounding, his memory blurry. “Who-” He caught sight of his downed guards in the open doorway. “What the hell happened?” He began pulling at his clothes, and swiftly checked that his trousers were dry.
“While we were.. You know…” He nodded; he was buttoning up his clothes. He didn’t remember, but he knew. “Some scary men burst into the room and shot you! I was so scared.” She hugged him tight, pressing herself against him.
He put his arm around her. “What men? Be brave, and tell me what happened.”
She looked up at him, trying to make her eyes as big as possible, adding a lip tremble to really sell it. “I don’t know! They wore grey suits. And one of them took your necklace!”
“My necklace.” He clutched at his chest where it should have been. “Damn Sentinels! I told Toran we couldn't trust them!”
He stepped into the corridor, where Ripley lay on the ground with a terrible energy weapon burn on the side of her face. He pulled out his communicator. “Toran.” He instantly got hold of his brother. “I didn’t answer because I was knocked out. Damn Sentinels took my key, killed some of our guys.” He looked around. “Nobody important, just some waiter.” He finally pulled the underwear from his head. “I’ll go to the security room and look at the video.”
He ended the call and turned back to Cygna. “You stay here.”
She smiled. “Sorry, we can’t let you check the security footage.”
“Wha-”
Ripley struck him from behind and he crumpled to the ground, her fake burn melting from her face. The Awakened looked around, rechecking that all was clear. “I think that’s all we can do; we should get out of here. Come with me, my shuttle is in the staff bay.”

Toran closed his communicator and motioned to a guard. “Search him.”
Eruwenn wished she had some way to capture the look on Krast’s face when the remote detonator was pulled from his pocket. She'd have to hug the light-fingered Kittran later.
The Sentinel grit his teeth. “That’s not mine.”
“Sure, sure,” Toran agreed, while simultaneously shaking his head at the Sentinel. “Looks like you really didn’t come alone.”
Krast was furious, yelling, “I’m telling you-” He broke off when Ranjaz shot him in the leg, falling to the floor.
The Kah’Ree pointed his pistol at the Kittran. “Can’t let you kill a Sentinel in my casino, even if they did just rob me.”
Ranjaz was surprised the Kah’Ree had believed them so easily. “What about us?”
Toran sighed, lowering his weapon. “Take your winnings and get out. If you stole the thing once, I’m sure you can steal it again.”
Eruwenn and Thor both made to leave. Ranjaz paused, knowing he might not get another chance. “And him?”
The Kah’Ree looked at the Sentinel holding his wounded leg. “We’ll send him back to his ship. As much as I hate it, the Sentinels are untouchable.”
Ranjaz raised his pistol. “He took my friend.”
“And we’ll get him back,” Eruwenn said softly. “Then we’ll all deal with him, and the rest of the Sentinels.”
Krast sneered and spat blood once more. “Your human is dead.”
Ranjaz fired.
Krast screamed and grabbed his other leg. “You bastard!”
Toran and his men raised their weapons as the Kah’Ree yelled, “Get the hell out of here!”
Ranjaz turned and followed the others out of the door, but just as it was about to close he poked his head back in. “Oh, one last thing.”
Toran could be seen looking up just as the Kittran fired again, but he ducked out of sight before the true outcome of his shot could be seen. The shrieks of agony, however, followed the trio down the corridor as they broke into a run. Eruwenn spared a glance down at Ranjaz during their retreat. “What did you do?”
The full-fanged grin had never been larger. “Made sure we’ll see him again.”
On the floor of the dalcho room Krast was screaming in agony. He turned over to stare at the closed door. “I’ll kill you! I will hunt you down and kill every last one of you!”
Toran spoke into his communicator. “Tell the Sentinel ship to come get their man. And, bring a doctor. A really good doctor.” He nudged one of his guards and finally let out a chuckle. After all, the Sentinels had just robbed him. “You double-crossing scum always get what you deserve.”
The J’Rami guard raised an eyebrow. “Not sure anyone deserves getting shot in the balls.”

Next

Cannot deliver heist prep equipment: The vehicle will enter the yellow circle and nothing will happen.
Cannot deliver product from businesses: The drop/delivery won't register, or you enter the delivery circle and it won't register.
Cannot deliver Business Battle goods: Will not register when entering the yellow circle.
Falling through the map.
Getting stuck in the man trap or spawning under the map during the Casino Heist, or being disconnected.
Oppressor MKI, or any car floating in the air.
Flying over the water and respawning on the beach.
Changing lobbies but being put back into the same one.
Not receiving Elite bonuses after completing the Casino Heist.
Starting a Casino Heist and having no objective point on the map, causing players to have to leave the lobby.
Having to setup the Arcade again after previously doing the setup mission.
Vehicles/aircraft not spawning after being requested either from the mechanic, Ms. Baker, or through the interaction menu.
Nightclub technicians will stop producing certain products.
Certain vehicles losing their resistance to rockets/explosives. MOC, Avenger, etc...
Infinite loading screens
White screening during the Casino Heist end screens.
Heist cuts not being properly distributed after completing Heists.
Casino Heist being stuck once you leave the arcade: Can't move, etc...
Rewards in Arena Wars, or other jobs, not being properly calculated for the person in first place.
Trade prices not unlocking after completing the Casino Heist.
When searching for a casino heist through quick job in your cellphone, there's a chance it bugs out and upon joining the room, you're unable to see the finale board where you'd normally see the percentages and ready status.
On silent and sneaky, there's a chance the guards that are supposed to be moving around and patrolling stand completely still. This is both helpful and annoying in different parts of the heist and if you haven't got duggan shipments completed, you're pretty much fucked or forced to get creative.
On Big Con, sometimes the exit disguises don't spawn even though the run was done completely undetected (I've experienced this with gruppe sechs entry).
When collecting daily vault, sometimes it might happen that you get stuck in the animation without being able to stop.
The stockade sometimes spawns in the wrong arcade.
Getting stuck in an endless dancing loop during the Casino Heist setup for the level 2 keycards.
Incorrect getaway vehicles will spawn for the Casino Heist.
In Sumo(Remix) the wrong team will be awarded the win.
Mechanic will sometimes not spawn and the player will not be able to modify their vehicles.
MC business raids not sending message to players.
Dying during the explosives prep mission for the Casino heist can lead to a long, or infinite respawn.
During the Prison Break Heist Rashkovsky will not move, be invisible, or die after parachuting from the plane at the end of the Heist.

Please report bugs directly to Rockstar You can also link this post to them as well.
If you have lost money due to a bug, please open a support ticket

Please leave any other bugs you've encountered in the comments below and they may be added to the above list, but please note that this is not meant to be a discussion thread, it's meant to list common bugs so players who encounter them know they are not the only ones experiencing them.
Any comments/replies beyond simply listing a bug will be removed, and the user may be temporarily banned from the sub.
Before leaving a comment, please review the above list, and the comments below to see if what you're about to post has already been listed or commented on.
If you see a comment with the same bug you've experienced, please upvote it so we can see how many others are also experiencing that issue.

Diamond Casino Guide:
So you decided that you wanna rob a casino, great! The Diamond Casino Heist is one of the best ways to earn money, but you're wondering, how do I get started? Well you're in luck! This guide is going to teach you the ways to get the best out of the Diamond Casino Heist!
Step 1: Arcade
Alright to get started, you’re going to have to own an arcade. Now, it may seem better to go for the arcades on the top of the map to save yourself some cash, however this will make all the preps much harder, as most of them take place in LS or Sandy Shores.
The best arcade locations are 8-bit ($2,530,000, located in Vinewood) and Videogeddon ($1,875,000, La Mesa). When buying your arcade, none of the upgrades are necessary, as most of them are cosmetic. You’ll have to complete a quick arcade setup mission to access the basement where the diamond casino heist planning board is located.
Step 1.5: Arcade Income
While this isn’t related to the diamond casino heist, I thought I would put this in there. The arcade generates income based on how many games you have, going up to 5k per in-game day (48 min). The game doesn't matter, so you can just buy the cheapest one (Monkey’s Paradise, $90,000) and fill up your arcade with it.
Step 2: Scope out casino
After you’ve finished watching Lester scribble a big mess over the whiteboard, you’ll be able to start the casino heist. Normally, you’ll have to pay a setup cost of 25k, but since it’s your first time doing it, it’ll be free. After you’ve confirmed that you want to start the casino heist, you’ll need to finish the scope out mission. For the scope out mission, you’ll need to take a variety of pictures for lester in order to unlock entrances for the heist. A full guide is linked here but I’ll sum up the most important ones.

Staff Lobby: This entrance is arguably the best entrance for the Silent and Sneaky approach. It gives you easy access to the control room where you can get the daily vault easily. It is also the best exit for most approaches as not many guards patrol it. The staff lobby should be around the back of the casino, and should look like a white door behind some yellow bollards.
Security Tunnel: By scoping out this entrance, it gives you the ability to enter the casino as a Gruppe Sechs team for the Big Con. This entrance is the best if not one of the best approaches to the casino heist. The disguise will allow you to go straight to the vault undetected and back up, however you will be detected when going back out of the casino on the casino access floor, so I would suggest getting some exit disguises to make your escape easier. The security tunnel should look like a big metal garage door with a security camera watching over it under the racetrack.
Sewers: The sewers allow you to burrow down right into the vault access floor giving you easy access as you are right next to the vault mantrap. The sewer exit, however, is only available in the aggressive approach.
Roof Terrace: At first glance, the roof terrace may seem like a horrible entrance/exit, however as it turns out, the roof terrace is actually a contender for one of the best aggressive exits. By taking the roof terrace, you can shoot down the guards at the racetrack while them not being able to shoot back and then parachute down.

You’ll only need to do this mission once, and it will be completed for all future casino heists.
Step 3: Vault Contents
The vault contents mission is pretty easy. You’ll be given the rough location of a duggan security guard, once you find him, you can either hack him, which can take some time but you won’t get the cops on you if you do it right, or you can kill him and grab the phone, which will save you some time but you’ll need to lose the cops before you can enter the casino.
After you’ve entered the casino, you’ll need to bring out the sightseer app on your phone to find a wifi signal. After you’ve located the wifi signal, you’ll need to figure out the vault contents. Beware that you only have a limited time to do this (2 min).
Since it’s probably your first time, I would recommend that you go through every camera to scope out each POI. The target will be cash since it’s your first time, which has a payout of 2.1 mil on normal. The first time will always be cash (payout of $2,115,000 on normal), but if it’s not your first time, the targets can be either cash, artwork (payout of $2,350,000 on normal) or gold (payout of $2,585,000 on normal).
There is a 4th target, which is diamonds (payout of $3,257,100 on normal) however this vault content is only available for special occasions and has been removed from the vault contents.
If you do the heist on hard by doing the same approach after you’ve done another one, the payout will be 10% larger. If you’ve completed all 3 approaches to the heist, you can cancel the heist which can be helpful if you’ve got a bad target. Link to this is here.
Step 4: Selecting your approach
Once you’ve finished the vault contents mission, you’ll be able to select your approach.
There are 3 approaches to the diamond casino heist. Silent and Sneaky, The Big Con and Aggressive.
For beginners, I would recommend alternating between Big Con and Aggressive, because those are the easiest ones. For Big Con, choose the Gruppe Sechs disguise for the easiest entry. Aggressive is good for newer players however it does end up in a lot of money loss. After you’ve got the gist of it, alternate to doing Silent and Sneaky in place of aggressive for a bigger payout.
Step 5: Selecting your support crew
After you’ve selected your approach, you’ll need to select your support crew before you can do any of the prep missions.
Selecting your support crew is very simple. You’ll need a gunman to source guns, a driver to source cars and a hacker to delay the nerve agent inside the vault.
Selecting your support crew depends on the approach and target in the vault. For Big Con, SnS, any any target EXCEPT for art, you’ll want the worst gunman (Karl Abolaji, take his Micro SMG on big con, heavy revolver on aggressive and on SnS the choice is up to you), the worst driver (Karim Denz, take his sentinel classic) and the best hacker available to you, for most people, this will be Paige Harris (unlocked when the terrorbyte is purchased, gives 3:25 in the vault when undetected and 2:23 detected).
For aggressive, you’ll still want to have the worst driver and best hacker, however the gunman is up to you since you’ll be using guns a lot. I normally go with Charlie Reed (unlocked when purchasing a hangar), he takes a 7% cut (2% more than Karl) and gives you an assault smg, however you can get by with Karl, as every gunman gives you a SMG to go along with another weapon, which is still a perfectly fine weapon.
For Big Con, SnS and the target is Art, if you and your heist partner can both hack very well, you can get by with Yohan Blair (takes a 5% cut and gives you 2:51 in the vault if you are undetected and 2:01 if you are).
Step 5.5: Secret heist crew members
There are 2 hidden heist crew members that can’t be unlocked by purchasing a business like most heist crew members. There 2 are Patrick McReary and Avi Schwartzman. Patrick McReary is a gunman who takes an 8% cut and gives the choice a Combat MG or an Assault Shotgun in aggressive. Avi Schwartzman is a hacker that takes a 10% cut and gives 3:30 undetected in the vault and gives 2:22 if you are detected. To unlock Patrick, he spawns as a random event around the map. He spawns in a police car that you will need to hijack. A guide is linked here. To unlock Avi, you’ll need to destroy 50 signal jammers that are located around the map. A guide is linked here.
Step 6: Prep Missions
Now that you’ve selected your support crew, you’ll be presented with a plethora of prep missions. Some mandatory and some optional. To complete these missions, I suggest that you use a Kuruma, Buzzard or Oppressor Mk2 to make your life easier. In some prep missions, you will not be able to call lester, so be prepared. All of the missions can be done solo but it makes it easier if you have a friend with you to help you out.
Now onto the optional prep missions. Optional prep missions, are, as the name suggests, optional. The optional prep you should do depends on the approach. If you own a penthouse and have completed all of the missions, you will gain access to the security intel mission. It’s very easy to complete and you will only need to do it once. A nice trick is that the gauntlet actually spawns when you start the mission, not when the cutscene is triggered, so you can just shoot the driver and take the gauntlet. A guide will be linked below.
Let’s start with Silent and Sneaky. For Silent and Sneaky, the optional prep missions depend on your skill level. If you’re an experienced player, you don’t need to do much, only level 2 security passes. Power drills you can do if you think you have enough time. However if you are a very new player, I’d recommend that you do patrol routes, duggan shipments (you only need to destroy 3 to get rid of their bulletproof helmets), level 2 security passes, emp device and infiltration suits and power drills if you think you have enough time. If you do all these, the heist should be a breeze.
Going onto the Big Con, if you’re doing Gruppe Sechs, you don't need to do much. You only need to go through one door if you exit out the staff door, so you can decide if you want to do level 2 security passes or not. Patrol routes do make things easier, however are not necessary. Again, only do power drills if you think you have enough time. Make sure you do exit disguises. Noose and firefighter are exactly the same, so do firefighters since it has the easier mission.
For aggressive, again, patrol routes make it easier, but are never necessary. Make sure to do duggan shipments. You can solo it, but it will be much easier with another person. If you don’t get them all you can just close the game and you’ll be able to do the mission again. Reinforced armour allows you to take more damage, so I would recommend it even if it makes you slower. Be sure to also do boring machine as it allows you to enter through the sewers. Make sure to also do level 2 security passes unless you really like hacking doors.
Step 7: Finding people to play with
Now that you’ve completed all your required prep missions, you need some people to play with. If you don’t have any friends to play with, I recommend checking out HeistTeams or the GTAO Discord LFG Channels to find people to play with. Make sure to have good communication between your teammates otherwise the heist will be in chaos.
Step 8: Completing the heist
Now that you’ve got a solid heist crew waiting to grab all of that sweet loot out of the casino’s vault, you’ll be able to start the heist. If you're doing aggressive, the plan is pretty simple, shoot your way in, grab the loot, then shoot your way out. The easiest entry for aggressive is sewers, and the easiest exit is the eastern roof terrace. If you exit through the staff lobby, you’ll get shot a ton when going over the racetrack, however if you exit through the roof terrace, you can shoot the guys behind the stones on the racetrack then safely parachute down.
For The Big Con, I’m going to assume you’re doing the Gruppe Sechs approach. By doing the Gruppe Sechs approach, you can pretty much waltz into the vault and back out of it, just be careful that this has some limitations. When going back up the stairwell/elevator to the casino access floor, the guards will have checked the vault and know it’s been robbed, so you disguise ain't gonna work anymore. I strongly suggest getting exit disguises, as they will greatly help your escape. The easiest exit for this is the staff lobby.
For SnS, I’m not really going to go into too much detail here because there’s a full video linked below. What I will talk about is when to use the emp (If you did the prep mission). I recommend emp’ing when you’re at the vault access floor, allowing you to waltz into the mantrap, or when you're coming back up to the casino access floor and are in the mantrap.. Be warned that if you decide to get the daily vault when you trigger the emp, the emp’s timer will run out before you can get to your exit, so plan ahead. The easiest entrance for this is the staff lobby and the easiest exit is also the staff lobby.
Tips and tricks to complete the heist

If you are disguised, do not bump into any of the guards. They will detect you and start shooting.
In the control room there is a button that you can press to open the door to the daily vault. One person has to hold the button while the other goes in and grabs the cash. This can be done with any approach.
Running and jumping is faster than just running normally, use this to your advantage while inside the vault.
Running in first person is actually faster than 3rd, so use this to your advantage when trying to knock out guards.
Don’t bother trying to escape the cops by hiding in an alley or something, either take your car into the sewers down by the LS river or take the heli that usually spawns on top of the police station. The sewers will result in you losing less money, however will be much slower. I will link both of these methods below in the useful media section.
Normally when exiting the casino from the staff lobby without any disguise, you’ll need to knock out a guard to the left of the swat fan to your right, before hugging the race track wall and then dropping down. I have found that sometimes if you run, the guard will hear you and detect you, causing you to get shot at. To prevent this, walk up to him making sure you stay out of his FOV then knock him out.
You walk much faster in the casino if you are in first person, making the vault contents mission much easier.
In prep missions, you can change any accessory (glasses, hat, ect.) to lose 1 star which is useful on missions where you can’t call Lester to remove your wanted level.
On some missions, you can lose the cops by entering your Terrorbyte/MOC/Avenger.
On some missions, you can lose the cops if you accept Lester’s apartment heist invite. This only works if you have a heist active.
In the hacking device mission where you have to infiltrate the FIB building, you walk a lot faster if you aim down sights on any gun, however if you go into any agent’s LOS you will get detected instantly, so be careful when using this trick.
You can upgrade your getaway vehicles in the arcade by getting in them and pressing the button showed on the prompt that appears on the top left.

Useful media

Credits
Special thanks to:
u/Pepperooney_ for adding a bunch of info on the tips and tricks section
u/what_it_dooo for suggesting the roof terrace and the hacking device trick

To skip the drilling at the vault door press pause and then rb on Xbox (I don’t know what that is on other platforms)
Never shoot your weapons at the guards with helmets
With the noose outfits you can walk right past the police officers outside the casino
In the big con (yung ancestor) you can run past all the guards in the staff lobby
If you are fast enough you can run past the cameras
When leaving the casino on Silent&Sneaky it is not necessary to stun the metal detectors
First person makes you run faster during the heist especially when you are carrying gold
When hacking in the vault press pause and rb when your character does the animation of putting the device in to save a few seconds comes in handy for elite challenge
If you’re a crew member on a casino heist and you hear the train when starting the heist that means it’s the la mesa arcade. The best one for the finale. If not it’s most likely the eight bit arcade.
In big con gruppe sechs entry disguise when selecting an outfit use one without a helmet because in the hallway to the vault door your character will keep moving the helmet glass up and down.
Don’t use the elevator because there’s a bug where you can be stuck on a black screen.
There is a helicopter that spawns on the police department closest to the casino but it doesn’t always spawn.
To always make the helicopter spawn look for the helicopter tail on the edge of the building and if you don’t see one drive one block away turn around the block and it should spawn.
Useful tips for preps: On gruppe sechs part 1 you can call Lester to remove the cops and for the vault lasers (the mission where you steal the drills from military soldiers) you can call in your terrorbyte to refill your rockets on your oppressor mk2 and lose the cops. For preps with vehicles that hold 2 crates of weapons in them like the police van and Tula plane can be destroyed and recovered as individual crates. You can lose cops during casino preps by accepting a job invite on the in-game phone. For the prison prep for the vault keycards get far away from the prison, easy way out and you’ll automatically lose the cops and complete the prep. For the vault keycards mission where you get them from two different npcs use your stone hatchet to quickly and silently take them out to avoid cops.
Useful glitches: you can change the loot in the vault by completing all approaches of the casino heist at least once and then calling Lester after you have discovered the vault contents while still in the casino. When you get back to your arcade set it up again and it’ll most likely have changed. To obtain all optional preps for free 1. Change outfits to force a save 2. Pay for all optional preps 3. Start duggan shipments and when you load in to begin the mission close application. 4. Start your game and load straight into online (also change spawn location to your arcade)
If there is anything that you think one might find useful, you can leave it down in the comments

I initially set up the diamond casino heist under big con for the very first time. I've done other heists, but have not set my own up yet. I missed some access points initially but went back to get the rest during the scope mission. In the meantime I had gotten the bugstars gear but went to get the G6 gear to go that way once I unlocked the tunnel access point.
Now, when I launch the finale board and try to adjust anything, such as cut, entry, exit, disguises, and buyer location, it always defaults back to the original item that was selected and doesn't change. Right now it's set for Bugstars on the disguise, but if I change it to G6 and then press back, it changes back to the Bugstars and won't stick. Same with anything else I try to change. It reverts back. I don't know what to do.
Is the first time you do the heist hard coded until you pay the setup fee? Or is my shit glitched and I'll just have to run this shitty setup and do it again?

It is my first time composing a guide like this for GTA Online. So any criticism or suggestion is welcome! I really wish this can be helpful. There is a ton of wiki about it but I am just going to refine them into my own words.
Btw, this guide is not for people who is already a veteran. Casino heist is the easiest way to make a quick fortune so far because you can join a finale through your phone (although there is a cool down time between each). And you probably won't find any extreme method to maximize payout such as glitch. The main purpose of this article is help people have fun.
Scope Out
This is something you do once and for all. So there is no reason why you don't scope out all access points and P.O.I.. You can launch this mission every time when you are hosting the heist, but can only be done before selecting approach. There is plenty of Youtube videos about where to find them such as this.
Vault Content
Just to to the observatory and find 2 guys chatting. Sometimes they are at the front door but most of the time they are on the left side of building. One guy with a baseball cap and the other "bigger" guy with a cowboy hat. Start hacking through securoserv app while walk along with the guard while he takes a phone call. Don't run into or kill him cuz that will get cops on you. Hacking into security camera is easy so let's skip that (sometimes the Wi-Fi spot is in the restroom).
Casino Model & Door Security & Vault Door
All of them are complete waste of money. Casino model is purely decorative. If you want to practice hacking, just ask teammates or friends nicely to give you a shot in the vault or watch Youtube. And there is no need to practice drilling vault door because you are not on a time limit.
Before we jump into approaches, there is a prep mission called "Security Intel". It gives you all the camera vision without having to getting close to a camera. You will need to complete all Diamond Casino & Resort story missions as the host in order to unlock this mission. Once it's done, you don't have to do it again. The camera intel stays with you. JUST DO IT FOR VINCENT'S SAKE.
Prep Board
Next, I'm gonna tell you what each prep mission means and which optional missions are actually worth doing imo.

Silent & Sneaky

Gunner: Hire the cheapest guy because you are not supposed to exchange fire anyway. There are two loadouts to choose from and both works great.
Driver: Hire the cheapest guy because you don't need his help at all. This role is a fucking free rider and you will see why later. I always source Übermacht Sentinel Classic because it goes fast and handles the best. It matters in setup mission.
Hacker: Hire Paige because she gives you more time in the vault. It's worth the investment. If you have Avi unlocked you can try him to. He takes 1% more cut but gives you 5 seconds more time in the vault when exposed and 3 more seconds when undetected. It's up to you whether he is worth it. To unlock Avi as hacker, you need to destroy all 50 signal jammers around the map in free mode. Youtube video guide is here.
Patrol routes: It makes more enemies visible on mini map. I always do it but if you feel comfortable to skip it, I respect that.
Duggan shipments: MUST DO! Because you are supposed to get head shot and without Duggan shipments gone, guards will wear bullet proof helmet. You want to have some kind of flying vehicle because targets are all over the map.
Power drills: You wanna get it if you think there is enough time to hit deposit boxes AFTER grabbing all the main stuff.
Security pass: ALWAYS GET LEVEL 2 SECURITY PASS! This saves you a ton of time from hacking key pads. You can cycle through this option to a picture with a valet and a dealer.
Acquire masks: A complete waste of time.
EMP device and infiltrate suits: The former cuts power out and the latter gives you nigh vision in dark as well as the ability to rappel down the elevator well when entering casino if you choose some doors near helipad as entrance. If you want to sneaky in or out more easily, go ahead and do both. I think it's not worth it. Gun is your best friend.

Planning Board
I usually chose staff lobby or waste disposal as entrance. But you must choose staff lobby as exit and select high level buyer. Staff lobby door is close to both sewer and nearby police station, and high level buyer gives you most pay. And DO NOT ever buy decoy or clean vehicle. They are total waste of money.
Finale
The general rule is DO NOT kill guards if they are not in your way, or patrolling to a dead body. Also watch out for cameras. You can only shoot down 1 camera. So just stun them. It can be difficult if teammates are not on mic cuz you might need to take down some guards in pairs. What I usually do is typing "Can someone please aim with me? You aim at right guy and I aim at left guy, then I fire right after you." in chat box. I found it works well as long as teammates read English. Probably many of you already knew this but you can hit daily vault twice both on your way in and out. The gate control is in security room. Another important note is that the guards will be able to see you though glass on doors, but they will not be able to see you through bullet proof glass around security room. As far as after getting into the vault, just make sure get your ass outta there before times counts down to 0. And also, elevator is for suicide only. TAKE THE STAIRS.
Then it's much easier. At this time you have not alerted anyone yet so turn to your right after getting out of casino. Check out the map below where I drew a route to a safe spot to jack a ride from NPC. You just need to make sure to knock out the first NOOSE on the left side of van, and knock out the second one patrolling the Lost club house. Don't shoot because that will alert them. After jacking a ride now you have 2 option. First is to go down the sewer where I marked with black circle, or steal a chopper on the helipad of nearby police station where I marked with red H. You can practice both in free mode in terms of where to go in the sewer and how to get to the helipad, but please bear in mind that sometimes the helicopter doesn't spawn. And ALWAYS turn left onto the highway from sewer exit because turning right will take you near to casino and that will get heat back on you.
Escape Route

Big Con

From easy to hard: Gruppe Sechs, Bug Star, LS Water & Power, Young Ancestor.
Prep Board

Gunner: Hire the cheapest guy because you can't fire a bullet in casino. That will attract attention no matter where you are. The only way to kill anyone inside is knocking him out.
Driver: Hire the cheapest guy, period.
Hacker: Hire Paige or Avi.
Entry disguise: Gruppe Sechs gives you a clean run without alerting anyone until you get back to stair well. But I personally find other disguise more exciting. You just need to watch some Youtube videos before try them out. Young Ancestor takes longest time and most challenging imo.
Exit disguise: JUST DO IT. Without it, you will be hunted right after getting out of casino. Go get NOOSE or firefighter outfits. Firefighter mission is easier because you can call Lester to clear wanted level.
Patrol routes: I would say this is not necessary if you are playing Gruppe Sechs, but highly recommended if you are using other entry disguise because you are dealing with more enemies.
Duggan shipments: Not necessary at all! Since no shots will be fired, their protective gear doesn't do any use against knocking out.
Power drills: Same as other approaches.
Security passes: LEVEL 2!
Masks: Nobody cares.

Planning Board
This is the same as silent and sneaky approach.
Finale
There is nothing complicated about big con especially Gruppe Sechs. Just check your map for guards that are hostile. Guards and cameras marked in red circles are hostile while white color indicates "friendly". After making up to the ground level, you will want to circle to the back area and knock 1 guy out. Then make your way to laundry room and change your outfit. After that you can walk outta there like a boss.
Once you are out of casino, it's the same deal as silent & sneaky.

Aggressive

Unarguably the only approach to play with randoms lmao. But you do get less time in vault and will lose take from getting shot at.
Prep Board

Gunner: This can be flexible depending on your shooting skill. The cheapest guy already have automatic weapon so that's good enough for me. Go for better gunners if you enjoy shootout.
Driver: Do I need to say that again?
Hacker: Yeah one of those two.
Patrol routes: Nobody cares because it will be loud.
Duggan shipments: Let me say this, if you don't do it, it will take a full clip of mags with headshot to take down 1 guard. GET IT DONE!
Power drills: There is less time in vault so I usually skip this unless it's a crew of 4.
Security passes: If you don't get a level 2 pass then you are out of your mind.
Acquire masks: Literally no one cares.
Reinforced armor: It works like heavy heist suits in OG heists. It gives you more health but makes you run slower. If you have Duggan shipments wiped out then this is totally unnecessary. If there are rookie in your team then you might wanna get it.
Boring machine: This is a super effective prep mission as it allows you to enter vault level through sewer directly. But you have to have this particular access point scouted first.

Planning Board
To get in and out faster, you would still want to choose staff lobby. But entering through main entrance is more dramatic and funny. And for the last time I have to say, DON'T WASTE MONEY ON DECOY OR CLEAN VEHICLE!.
Finale
There is really no need to explain anything here. But some people do take a different route after getting out of casino, which is around the inside of race track. You can still stick the the route I provided earlier but you might encounter 2 or 3 more cops on your way to jacking an NPC ride.
Ok guys, go watch some Youtube videos and read some other guides if you have not done this before. I really wish you have fun out there and not waste other players' time by reading my beginner friendly guide. Casino heist is definitely worth playing because R* created this based on all the lessons learned from previous guides. It will be likely to be the template of next generation of GTA Online, which is just 20 years away!

Diamond Casino Guide:
So you decided that you wanna rob a casino, great! The Diamond Casino Heist is one of the best ways to earn money, but you're wondering, how do I get started? Well, you're in luck! This guide is going to teach you the ways to get the best out of the Diamond Casino Heist!
Step 1: Arcade
Alright to get started, you’re going to have to own an arcade. Now, it may seem better to go for the arcades on the top of the map to save yourself some cash, however, this will make all the preps much harder, as most of them take place in LS or Sandy Shores.
The best arcade locations are 8-bit ($2,530,000, located in Vinewood) and Videogeddon ($1,875,000, La Mesa). When buying your arcade, none of the upgrades are necessary, as most of them are cosmetic. You’ll have to complete a quick arcade setup mission to access the basement where the diamond casino heist planning board is located.
Step 1.5: Arcade Income
While this isn’t related to the diamond casino heist, I thought I would put this in there. The arcade generates income based on how many games you have, going up to 5k per in-game day (48 min). The game doesn't matter, so you can just buy the cheapest one (Monkey’s Paradise, $90,000) and fill up your arcade with it.
Step 2: Scope out casino
After you’ve finished watching Lester scribble a big mess over the whiteboard, you’ll be able to start the casino heist. Normally, you’ll have to pay a setup cost of 25k, but since it’s your first time doing it, it’ll be free. After you’ve confirmed that you want to start the casino heist, you’ll need to finish the scope out mission. For the scope out mission, you’ll need to take a variety of pictures for Lester in order to unlock entrances for the heist. A full guide is linked here but I’ll sum up the most important ones.

Staff Lobby: This entrance is arguably the best entrance for the Silent and Sneaky approach. It gives you easy access to the control room where you can get the daily vault easily. It is also the best exit for most approaches as not many guards patrol it. The staff lobby should be around the back of the casino and should look like a white door behind some yellow bollards.
Security Tunnel: By scoping out this entrance, it gives you the ability to enter the casino as a Gruppe Sechs team for the Big Con. This entrance is the best if not one of the best approaches to the casino heist. The disguise will allow you to go straight to the vault undetected and back up, however, you will be detected when going back out of the casino on the casino access floor, so I would suggest getting some exit disguises to make your escape easier. The security tunnel should look like a big metal garage door with a security camera watching over it under the racetrack.
Sewers: The sewers allow you to burrow down right into the vault access floor giving you easy access as you are right next to the vault mantrap. The sewer exit, however, is only available in the aggressive approach.
Roof Terrace: At first glance, the roof terrace may seem like a horrible entrance/exit, however as it turns out, the roof terrace is actually a contender for one of the best aggressive exits. By taking the roof terrace, you can shoot down the guards at the racetrack while they're not being able to shoot back and then parachute down.

You’ll only need to do this mission once, and it will be completed for all future casino heists.
Step 3: Vault Contents
The vault contents mission is pretty easy. You’ll be given the rough location of a Duggan security guard, once you find him, you can either hack him, which can take some time but you won’t get the cops on you if you do it right, or you can kill him and grab the phone, which will save you some time but you’ll need to lose the cops before you can enter the casino.
After you’ve entered the casino, you’ll need to bring out the sightseer app on your phone to find a wifi signal. After you’ve located the wifi signal, you’ll need to figure out the vault contents. Beware that you only have a limited time to do this (2 min).
Since it’s probably your first time, I would recommend that you go through every camera to scope out each POI. The target will be cash since it’s your first time, which has a payout of 2.1 mil on normal. The first time will always be cash (payout of $2,115,000 on normal), but if it’s not your first time, the targets can be either cash, artwork (payout of $2,350,000 on normal) or gold (payout of $2,585,000 on normal).
There is a 4th target, which is diamonds (payout of $3,257,100 on normal) however this vault content is only available for special occasions and has been removed from the vault contents.
If you do the heist on hard by doing the same approach after you’ve done another one, the payout will be 10% larger. If you’ve completed all 3 approaches to the heist, you can cancel the heist which can be helpful if you’ve got a bad target. Link to this is here.
Step 4: Selecting your approach
Once you’ve finished the vault contents mission, you’ll be able to select your approach.
There are 3 approaches to the diamond casino heist. Silent and Sneaky, The Big Con and Aggressive.
For beginners, I would recommend alternating between Big Con and Aggressive, because those are the easiest ones. For Big Con, choose the Gruppe Sechs disguise for the easiest entry. Aggressive is good for newer players however it does end up in a lot of money loss. After you’ve got the gist of it, alternate to doing Silent and Sneaky in place of aggressive for a bigger payout.
Step 5: Selecting your support crew
After you’ve selected your approach, you’ll need to select your support crew before you can do any of the prep missions.
Selecting your support crew is very simple. You’ll need a gunman to source guns, a driver to source cars, and a hacker to delay the nerve agent inside the vault.
Selecting your support crew depends on the approach and target in the vault. For Big Con, SnS, any target EXCEPT for art, you’ll want the worst gunman (Karl Abolaji, take his Micro SMG on big con, heavy revolver on aggressive and on SnS the choice is up to you), the worst driver (Karim Denz, take his sentinel classic) and the best hacker available to you, for most people, this will be Paige Harris (unlocked when the Terrorbyte is purchased, gives 3:25 in the vault when undetected and 2:23 detected).
For aggressive, you’ll still want to have the worst driver and best hacker, however, the gunman is up to you since you’ll be using guns a lot. I normally go with Charlie Reed (unlocked when purchasing a hangar), he takes a 7% cut (2% more than Karl) and gives you an assault SMG, however, you can get by with Karl, as every gunman gives you an SMG to go along with another weapon, which is still a perfectly fine weapon.
For Big Con, SnS and the target is Art, if you and your heist partner can both hack very well, you can get by with Yohan Blair (takes a 5% cut and gives you 2:51 in the vault if you are undetected and 2:01 if you are).
Step 5.5: Secret heist crew members
There are 2 hidden heist crew members that can’t be unlocked by purchasing a business like most heist crew members. There 2 are Patrick McReary and Avi Schwartzman. Patrick McReary is a gunman who takes an 8% cut and gives the choice a Combat MG or an Assault Shotgun in aggressive. Avi Schwartzman is a hacker that takes a 10% cut and gives 3:30 undetected in the vault and gives 2:22 if you are detected. To unlock Patrick, he spawns as a random event around the map. He spawns in a police car that you will need to hijack. A guide is linked here. To unlock Avi, you’ll need to destroy 50 signal jammers that are located around the map. A guide is linked here.
Step 6: Prep Missions
Now that you’ve selected your support crew, you’ll be presented with a plethora of prep missions. Some mandatory and some optional. To complete these missions, I suggest that you use a Kuruma, Buzzard, or Oppressor Mk2 to make your life easier. In some prep missions, you will not be able to call Lester, so be prepared. All of the missions can be done solo but it makes it easier if you have a friend with you to help you out.
Now onto the optional prep missions. Optional prep missions, are, as the name suggests, optional. The optional prep you should do depends on the approach. If you own a penthouse and have completed all of the missions, you will gain access to the security intel mission. It’s very easy to complete and you will only need to do it once. A nice trick is that the gauntlet actually spawns when you start the mission, not when the cutscene is triggered, so you can just shoot the driver and take the gauntlet. A guide will be linked below.
Let’s start with Silent and Sneaky. For Silent and Sneaky, the optional prep missions depend on your skill level. If you’re an experienced player, you don’t need to do much, only level 2 security passes. Power drills you can do if you think you have enough time. However, if you are a very new player, I’d recommend that you do patrol routes, Duggan shipments (you only need to destroy 3 to get rid of their bulletproof helmets), level 2 security passes, emp device and infiltration suits and power drills if you think you have enough time. If you do all these, the heist should be a breeze.
Going onto the Big Con, if you’re doing Gruppe Sechs, you don't need to do much. You only need to go through one door if you exit out the staff door, so you can decide if you want to do level 2 security passes or not. Patrol routes do make things easier, however are not necessary. Again, only do power drills if you think you have enough time. Make sure you do exit disguises. Noose and firefighter are exactly the same, so do firefighters since it has an easier mission.
For aggressive, again, patrol routes make it easier but are never necessary. Make sure to do Duggan shipments. You can solo it, but it will be much easier with another person. If you don’t get them all you can just close the game and you’ll be able to do the mission again. Reinforced armor allows you to take more damage, so I would recommend it even if it makes you slower. Be sure to also do boring machine as it allows you to enter through the sewers. Make sure to also do level 2 security passes unless you really like hacking doors.
Step 7: Finding people to play with
Now that you’ve completed all your required prep missions, you need some people to play with. If you don’t have any friends to play with, I recommend checking out HeistTeams or the GTAO Discord LFG Channels to find people to play with. Make sure to have good communication between your teammates otherwise the heist will be in chaos.
Step 8: Completing the heist
Now that you’ve got a solid heist crew waiting to grab all of that sweet loot out of the casino’s vault, you’ll be able to start the heist. If you're doing aggressive, the plan is pretty simple, shoot your way in, grab the loot, then shoot your way out. The easiest entry for aggressive is sewers, and the easiest exit is the eastern roof terrace. If you exit through the staff lobby, you’ll get shot a ton when going over the racetrack, however, if you exit through the roof terrace, you can shoot the guys behind the stones on the racetrack then safely parachute down.
For The Big Con, I’m going to assume you’re doing the Gruppe Sechs approach. By doing the Gruppe Sechs approach, you can pretty much waltz into the vault and back out of it, just be careful that this has some limitations. When going back up the stairwell/elevator to the casino access floor, the guards will have checked the vault and know it’s been robbed, so you disguise ain't gonna work anymore. I strongly suggest getting exit disguises, as they will greatly help your escape. The easiest exit for this is the staff lobby.
For SnS, I’m not really going to go into too much detail here because there’s a full video linked below. What I will talk about is when to use the emp (If you did the prep mission). I recommend emp’ing when you’re at the vault access floor, allowing you to waltz into the mantrap, or when you're coming back up to the casino access floor and are in the mantrap. Be warned that if you decide to get the daily vault when you trigger the emp, the emp’s timer will run out before you can get to your exit, so plan ahead. The easiest entrance for this is the staff lobby and the easiest exit is also the staff lobby.
Tips and tricks to complete the heist

If you are disguised, do not bump into any of the guards. They will detect you and start shooting.
In the control room, there is a button that you can press to open the door to the daily vault. One person has to hold the button while the other goes in and grabs the cash. This can be done with any approach.
Running and jumping is faster than just running normally, use this to your advantage while inside the vault.
Running in first person is actually faster than 3rd, so use this to your advantage when trying to knock out guards.
Don’t bother trying to escape the cops by hiding in an alley or something, either take your car into the sewers down by the LS river or take the heli that usually spawns on top of the police station. The sewers will result in you losing less money, however will be much slower. I will link both of these methods below in the useful media section.
Normally when exiting the casino from the staff lobby without any disguise, you’ll need to knock out a guard to the left of the swat fan to your right, before hugging the race track wall and then dropping down. I have found that sometimes if you run, the guard will hear you and detect you, causing you to get shot at. To prevent this, walk up to him making sure you stay out of his FOV then knock him out.
You walk much faster in the casino if you are in first person, making the vault contents mission much easier.
In prep missions, you can change any accessory (glasses, hat, ect.) to lose 1 star which is useful on missions where you can’t call Lester to remove your wanted level.
On some missions, you can lose the cops by entering your Terrorbyte/MOC/Avenger.
On some missions, you can lose the cops if you accept Lester’s apartment heist invite. This only works if you have a heist active.
In the hacking device mission where you have to infiltrate the FIB building, you walk a lot faster if you aim down sights on any gun, however, if you go into any agent’s LOS you will get detected instantly, so be careful when using this trick.
You can upgrade your getaway vehicles in the arcade by getting in them and pressing the button shown on the prompt that appears on the top left.

Useful media

Diamond Casino Heist FAQ
Welcome to the Diamond Casino Heist FAQ! This thread is going to go through all of the new changes and content added to the Casino Heist DLC. The information in this thread is up to date as of 28/7/2020.
Release Date
Announced on December 5th and released on December 12th, 2019, the Diamond Casino Heist is the latest DLC to come to GTA Online as of July 25th, 2020. This DLC adds a bunch of new content, including new vehicles, properties, vehicles, and a brand new heist!
New Content
Vehicles:
Maxwell Asbo (SSASA): $306,000 - $408,000
Karin Everon (SSASA): $1,106,250 - $1,475,000
Lampadati Komoda (Legendary): $1,275,000 - $1,700,000
Vapid Retinue Mk II (SSASA): $1,215,000 - $1,615,000
Ubermacht Rebla GTS (Legendary): $1,175,000
Maxwell Vagrant (SSASA): $1,660,500 - $2,214,600
Grotti Furia (Legendary): $2,055,000 - $2,740,000
RUNE Zhaba (Warstock): $1,800,000 - $2,400,000
Karin Sultan Classic (SSASA): $1,288,500 - $1,718,000
Nagasaki Outlaw (SSASA): $951,000 - $1,268,000
Declasse Drift Yosemite (SSASA): $981,000 - $1,308,000
Dinka Sugoi (SSASA): $918,000 - $1,224,000
Dinka Blista Kanjo (SSASA): $435,000 - $580,000
Nagasaki Strider (Legendary): $502,000 - $670,000
Dewbauchee JB 700W (Warstock): $1,470,000
Overflod Imorgon (Legendary): $2,165,500
Albany V-STR (Legendary): $1,285,000
Progen PR4 (Legendary): $3,515,000
Ocelot R88 (Legendary): $3,115,000
Nagasaki Blazer Lifeguard (Warstock): $62,000
Brute Boxville (Warstock): $298,500 - $398,000
Declasse Bugstars Burrito (Warstock): $450,000 - $598,000
MTL Fire Truck (Warstock): $2,471,250 - $3,295,000
Declasse Lifeguard (Warstock): $865,000
Brute Stockade (Warstock): $1,680,000 - $2,240,000
Weapons
Ceramic Pistol (Ammunation): $20,000
Navy Revolver (Unlocked after finishing the Los Santos Slasher treasure hunt): Free
Properties
The release of the Diamond Casino Heist DLC introduces a new property: arcades. Arcades are a passive business that allows you to host the diamond casino heist. The maximum daily income of the arcade is $5,000.
They are purchasable from Mmazebankforclosures at 6 different locations. The cheapest is at $1,235,000 (Pixel Pete’s, Paleto Bay) and the most expensive being at $2,530,000 (8-bit, Vinewood Hills).
Customization options on offer are 2 arcade styles, $290,000 - $470,000, 8 mural options, $50,500 - $107,500, 8 floor options, $78,000 - $165,000, 8 neon art styles, $107,500 - $320,000, personal quarters, $150,000, high score screens, $295,000 and a garage $215,000. 2 extra options are available to purchase from the arcade computer, which are the master control terminal, $1,740,000 and the drone station, $1,460,000. A variety of arcade games are also available to purchase, ranging from $90,000 to $420,000.
Credits
u/Pepperooney_ for adding a bunch of info on the tips and tricks section
u/what_it_dooo for suggesting the roof terrace and the hacking device trick

Today I was bored and I thought, why don't I do a casino heist? I didn't feel like doing all those preps so I went to search for active casino heist. When I got into one host choose Yung ancestors as entry disguise and I was like meh won't tell anything. After that, he told me and 3rd random to ready check. I said, fix cuts a little. He then started talking like blah blah u didn't help with preps you'll get 15, ah here we go again, randoms are retarded and so on. I told him: bro we are here to do finale and the fair cut is 50/25/25 cuz u are host, obviously u deserve more, but we are here too. He then said OK and reduced his to 60 and increased ours to 20. I said I won't tell him anything more it's, whatever. But then when I pressed ready, he swapped his to 70, reduced ours and started so we won't notice anything. I was so furious I left the lobby. Was I right guys? Should I be happy with 15%? I think its fair for 2 people 60/40, for 3 50/25/25 and for 4 40/20/20/20. When I host I always give like this. Exceptions are when someone doesn't want that high cut (it happened when I hosted some lvl 500 guy got in and told me to get his cut) and when someone helps me with preps like my friend he gets a higher cut like 55/45 ( If my friends want to do a heist we never invite randoms).
Edit: So by reading comments on my post, people say that 15% is fair if I am joining as a random. I still don't think its fair, cuz most of the time I lead heists (especially on silent approach) but after I posted this I didn't want more than 20 if 3, 25 if we are doing it 2 manned (I wouldn't get mad if they didn't give me that cut) and most people do give me that cut. I made a lot of friends by leading heists. And I was always giving 60/40, 50/25/25, 40/20/20/20 so I thought if it was fair that I would get some as a random. And to everyone thinking I was a jerk demanding the same cut for everyone no, I never did that. I was happy with 20 if 3 and 25 if 2. And I never failed any heist. I always get prepared by watching guides on youtube or by doing heists with my friends first so I have a feel for it. So I am not that guy who wants the same across everyone, but I thought it was fair for the host to have 20/25 % more than everyone else. Yea I was a little entitled in the post, but a lot of people in comments pair me with randoms who are going in raw in a heist, demands 25% and then doesn't know what to do in the finale. Hope u understand. I still don't think its super fair as sometimes hosts don't do some mandatory optional preps so I have to care of that too. Oh, and I almost forgot people (like me) hate on people who want the same cut as host. I don't want that, I just wanted a little higher, 20 and 25 for 3 and 2 people is acceptable for me. I even tell hosts when they give me same as their to lower mine and increase their cut. But I won't give randoms more than 25% too so it is win-lose on my side, I won't get 20/25/40 as random but I won't give more than 20/25 as host.

I haven't seen a good comprehensive guide for this, despite it being the best money making method in the game, so I thought I'd write a guide about it.

What is the Casino Heist and why should I do it?

The Casino Heist is semi-challenging PvE content for 2-4 players. As of August 2020 it's the best paying grind in the game, paying out $1.5-$2 million split between heist members every hour and a half. If you're doing setups with one friend, you're both effectively earning ~$80k per setup mission.
If you have no friends who play GTA:O, try to find a buddy in game or on HeistTeams
It's possible to get even higher payouts, but discussing glitches is against the rules of this subreddit; go to gtaglitches for that stuff.

Getting Started

To do the Casino Heist you need an Arcade, preferably Eight-Bit (Vinewood) or Videogeddon (La Mesa) as they're the closest to the Casino and setup missions.
Not required, but strongly recommended as they'll make setup missions much easier:

A good gun, such as Special Carbine
A bulletproof car for gunfights, such as Armored Kuruma
An aircraft with homing missiles, such as Buzzard Attack Chopper or Oppressor Mk2

Scoping and Vault Contents

All Points of Interest
All Access Points
Cash has the worst payout (up to $2.1 mil). You will always get cash the first time you host the Casino Heist.
Art has middling payout (up to $2.3 mil) but is very fast to steal, which means you can get detected, or hit the vault with fewer players, and still get the maximum take.
Gold is like cash but gives much better payout (up to $2.6 mil), with the disadvantage of making you run slightly slower when you leave the vault.
Diamonds only appear during special events, but have the highest payout for vault contents (up to $3.6 mil).

Choosing Approaches

The Big Con is the best approach, since the security tunnel entrance + Gruppe Sechs disguise takes you straight to the vault. Always choose it when possible.
Silent & Sneaky is like The Big Con, but is more difficult and takes longer.
Aggressive is relatively fast, but gives less time in the vault, making it much harder to get the maximum take for any target except Art.
In general, you should choose Aggressive for Art, The Big Con for other targets, and Silent & Sneaky only as a last resort. You should also choose Hard mode whenever possible as it gives you a 25% higher take.

Support Crew

Your Hacker is the most important support crew member, as they determine how long you have in the vault, and therefore your maximum take. My go-to is Paige Harris, who you unlock by owning a Terrorbyte. Avi Schwartzman is equally good and can be unlocked by destroying all Signal Jammers. If you don't have either of them, Christian Feltz is a decent stopgap measure; just be aware you'll have a good chance of missing out on profits.
The Driver determines your getaway vehicles, and is largely irrelevant since most people ignore the getaway vehicles and jack a car or a helicopter for their escape. I always go with Karim Denz and source the Sentinel Classic. It's only worth getting a more expensive driver if you want to unlock a car's trade price.
The Gunman determines the weapons you'll be using in the run. Again, mostly irrelevant, since Karl Abolaji's weapon loadouts are good enough even for a Hard Aggressive approach. Only get a more expensive gunman if you're going Aggressive and aren't confident in your headshotting skills or those of your crew.

Optional Preps

I don't recommend paying to skip any of the preps, because it eats significantly into your profits, and unlike MC/bunker missions, you can't easily make back the cost by doing other missions in that time.

Security Passes

Mandatory for every approach. Remember to get level 2 security passes, not level 1. The mission is very easy and saves you from having to do lots of annoying hacking minigames during the final heist.

Duggan Shipments

This is mandatory for Aggressive and Silent and Sneaky, as destroying at least 3 shipments will remove the bulletproof helmets from guards and allow them to be headshotted. Most people also do this for Big Con just to be safe. Having at least one other player in your organization, as well as a Buzzard or Oppressor Mk2, makes this mission very easy.

Security Intel

Unlocked after completing all Casino Penthouse missions, this is a once-off mission that reveals security cameras on the radar on all future casino heists. Do it when you unlock it.

Patrol Routes

Reveals guards on your radar. Not required, but useful on every approach, especially Silent & Sneaky. Do this if you have time.

EMP (Silent & Sneaky only)

This mission is relatively easy and the EMP saves a lot of headaches in a Silent & Sneaky run. Not required, but worth taking the time to do.

Boring Machine (Aggressive only)

This unlocks the best entry route for the Aggressive approach where you tunnel straight to the vault. Not required (Staff Lobby is almost as fast) but it makes the approach to the vault very easy.

Power Drills

Don't bother with this mission, other than to play through it once or twice for fun. The money from the deposit boxes isn't worth your time.

Exit Disguise (Big Con only)

These missions are annoying and the disguises aren't that helpful. Collecting all playing cards gives you a permanent exit disguise you can use; I recommend doing that instead and never having to worry about this prep.

Infiltration Suits (Silent & Sneaky only)

This mission gives you night vision. Basically, it's only useful if you plan on using the EMP but don't know the casino floor layout. Do it the first time you do a Silent & Sneaky run; by the second time, you should be experienced enough that you don't need it.

Reinforced Armor (Aggressive only)

This unlocks new outfits that reduce the damage you take during the heist finale. Personally, I hate this prep, because a) the mission is annoying, b) the finale is easy enough without it, and c) the armored outfits are ugly. Do it if you aren't confident in your shooting skills, or if you plan to do the heist with only two players.

Finale Screen

Buyer: Always choose the High Level buyer for the best payout. The only difference is that you have to drive or fly a few more miles after you lose the cops -- more than worth the extra percentage of the cut.
Decoy: This makes the helicopter getaway slightly easier on the Aggressive approach, or if you screw up either of the other two approaches. I don't think it's worth the extra cost, but it could be worth it if you find yourself constantly having trouble getting to the helicopter.
Clean Vehicle: Completely useless. Don't bother.

The Big Con

Entrance: Security Tunnel
Exit: Staff Lobby

Go straight to the vault. Take your sweet time plundering it.
Take the stairs on the way up. You want to take the long corridor looping around the back, pass by the laundry room and pick up your exit disguises if they're there, then make a run for the staff lobby exit.
You will be busted if guards or cameras see you. The guards in the security office can't see you through the bulletproof glass, but you can be seen through the glass panels in the doors.
Melee kill the patrolling guards from behind and run through the cameras without staying in their cone of vision for too long.
Once you're out of the staff lobby exit, there will be a NOOSE van to your right. Head past it, melee killing the guards, and make your way to the main road. From there, you can run to your getaway vehicles or jack a random car off the road.

Silent & Sneaky

Entrance: Staff Lobby
Exit: Staff Lobby

Take your time and have one person go ahead at a time. You want to make sure that you're headshotting guards with your silenced machine pistol, and using the stun gun on all cameras you pass by. If there are two guards next to each other, shoot them both in quick succession.
You will be busted if guards or cameras see you. The guards in the security office can't see you through the bulletproof glass, but you can be seen through the glass panels in the doors.
The daily take is worth getting if you have time.
You can use the Nano Drone in your inventory to shoot a tranquilizer dart. This is most useful on the guard patrolling the stairwell. Have your teammate wedge the door open, then fly the drone through the gap and down the stairs to knock the guard out.
If you got the EMP, you can use the SecuroServ app on your phone to activate it. This gives you 1 minute to book it and run past all guards, security doors, and cameras on a floor.
Once you're out of the staff lobby exit, there will be a NOOSE van to your right. Head past it, killing the guards, and make your way to the main road. From there, you can run to your getaway vehicles or jack a random car off the road.

Aggressive

Entrance: Sewer or Staff Lobby
Exit: Staff Lobby

This is a straightforward gunfight. Just move from cover to cover and shoot everything that moves.
As always, use headshots to get instant kills. Even if you did all Duggan shipments and got an expensive gunman, the guards can take a ridiculous number of bullets to center of mass, so it's faster to aim for the head and take them out instantly.
The guards respawn continually, so it isn't possible to completely clear a floor out. Just keep moving.
The daily take is worth getting if you have time.
When exiting through the staff lobby, don't go straight through the security office or you'll be shot to pieces. Take the long way around instead.
Once you're out of the staff lobby exit, jump the fence to the racetrack and run straight across. If there are any cars in the parking lot to your left, jack them and drive out. Otherwise, keep going and jump the fence to the main road. From there, you can run to your getaway vehicles or jack a random car off the road.

The Getaway

No matter which approach you take, you'll eventually end up outside the casino, on the main road, with a 5 star wanted level. There are two main strategies people use here.

Sewer Tunnel: Directly south of the racetrack, in the storm drain, is the entrance of the sewer tunnel that Michael and Franklin escape through in story mode. If you drive in here and keep going, you'll eventually start losing your wanted level. Get out of the car and wait in the sewer until you're all clean. From there, it's an easy drive to the buyer -- just don't drive near the casino or you'll be wanted by the cops again. This is a safe but slow getaway.
Police Station Helicopter: Over the overpass to the west, directly across the highway from the casino, is the Vinewood Hills police station. It's possible to drive to the back of the building and climb from the grass patch up to the roof. There, you can climb the roof fixtures to get to the helipad, where a police helicopter usually spawns. Once everyone is in the helicopter, you can use it to evade the cops. This is a quick but more risky getaway, since the helicopter occasionally doesn't spawn, and you can get shot during the drive or fall off the roof if you're unlucky.

Bugs

Permanent Wanted Level

Bug: You're in a getaway vehicle far from any cops, but your wanted level won't go away. This happens because one of your heist teammates has high ping and the game is having trouble syncing your wanted levels.
Fix: Have everyone get out of the vehicle and wait until the bug goes away. If you're in a helicopter with no safe place to land, the offending teammate(s) may have to parachute out.

Guards Spawning Late

Bug: On Silent & Sneaky, guards take a few moments to spawn in after you disable the metal detector.
Fix: Don't go through the metal detector or shoot anyone until the guards finish spawning in.

Frozen Guard Patrols / Bugged Camera Movement

Bug: The guards in the casino aren't moving, and the cameras have weird movement patterns or are facing towards walls.
Fix: Just keep going; this bug actually makes Silent & Sneaky / Big Con easier most of the time. If there's a frozen guard you can't get past, use the Nano Drone.

Disappearing Vision Cones During Getaway

Bug: You're getting away from the casino undetected when the vision cones suddenly disappear from your radar. Despite this, the police aren't coming after you.
Fix: This is a visual glitch and you haven't actually been discovered. Just keep going.

Spectator Leaving

Bug: Someone joins as a spectator, then leaves. You screw up the heist and have to restart. Then you fail the heist because "Your heist team quit."
Fix: Suck it up and reset.

Silent & Sneaky Body Found

Bug: You're suddenly busted because a body was found... even if you haven't killed anyone yet.
Fix: Suck it up and reset.

Uncollectable Heist Prep Equipment

Bug: You're doing heist prep mission with a friend, and you can't pick up the equipment because "you can't steal heist prep while on a heist prep mission."
Fix: Suck it up and reset.

Heist Prep Vehicle Not Registering

Bug: You collect a heist prep vehicle and drive to your arcade, but it doesn't trigger the end of the mission.
Fix: Suck it up and reset.
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Hope someone out there finds this guide helpful. Comments and suggestions appreciated.

I'd like to quickly note that I'm not actually looking for players I need advice. My question is:
I am doing the big con approach and I have been doing some prep missions and need to decide my disguises soon but it only shows maintenance and bug stars as entry and only noose and firefighters as exit but I know of more disguises?! After looking online I'm pretty sure there's yung ancestors as one but I know you have the meet the guy to unlock that. What I'm asking about is the Gruppe Sechs disguises. Are the Gruppe Sechs entry or exit? How do I unlock them as they do not show up?! Are there any other disguises I'm not mentioning?
My second question is:
What has the lifeguard vehicles got to do with the diamond casino heist? I remember a trade in price but it doesn't show anymore (not that this is an issue as I assume I've already gone too far setting up other options).
Thanks to anyone who can help as this is my first time doing the casino heist.

Staff Lobby: This entrance is arguably the best entrance for the Silent and Sneaky approach. It gives you easy access to the control room where you can get the daily vault easily. It is also the best exit for most approaches as not many guards patrol it. The staff lobby should be around the back of the casino, and should look like a white door behind some yellow bollards.
Security Tunnel: By scoping out this entrance, it gives you the ability to enter the casino as a Gruppe Sechs team for the Big Con. This entrance is the best if not one of the best approaches to the casino heist. The disguise will allow you to go straight to the vault undetected and back up, however you will be detected when going back out of the casino on the casino access floor, so I would suggest getting some exit disguises to make your escape easier. The security tunnel should look like a big metal garage door with a security camera watching over it under the racetrack.
Sewers: The sewers allow you to burrow down right into the vault access floor giving you easy access as you are right next to the vault mantrap. The sewer exit, however, is only available in the aggressive approach.
Roof Terrace: At first glance, the roof terrace may seem like a horrible entrance/exit, however as it turns out, the roof terrace is actually a contender for one of the best aggressive exits. By taking the roof terrace, you can shoot down the guards at the racetrack while them not being able to shoot back and then parachute down.

If you are disguised, do not bump into any of the guards. They will detect you and start shooting.
In the control room there is a button that you can press to open the door to the daily vault. One person has to hold the button while the other goes in and grabs the cash. This can be done with any approach.
Running and jumping is faster than just running normally, use this to your advantage while inside the vault.
Running in first person is actually faster than 3rd, so use this to your advantage when trying to knock out guards.
Don’t bother trying to escape the cops by hiding in an alley or something, either take your car into the sewers down by the LS river or take the heli that usually spawns on top of the police station. The sewers will result in you losing less money, however will be much slower. I will link both of these methods below in the useful media section.
Normally when exiting the casino from the staff lobby without any disguise, you’ll need to knock out a guard to the left of the swat fan to your right, before hugging the race track wall and then dropping down. I have found that sometimes if you run, the guard will hear you and detect you, causing you to get shot at. To prevent this, walk up to him making sure you stay out of his FOV then knock him out.
You walk much faster in the casino if you are in first person, making the vault contents mission much easier.
In prep missions, you can change any accessory (glasses, hat, ect.) to lose 1 star which is useful on missions where you can’t call Lester to remove your wanted level.
On some missions, you can lose the cops by entering your Terrorbyte/MOC/Avenger.
On some missions, you can lose the cops if you accept Lester’s apartment heist invite. This only works if you have a heist active.
In the hacking device mission where you have to infiltrate the FIB building, you walk a lot faster if you aim down sights on any gun, however if you go into any agent’s LOS you will get detected instantly, so be careful when using this trick.

Useful media

Credits
Special thanks to:
u/Pepperooney_ for adding a bunch of info on the tips and tricks section
u/what_it_dooo for suggesting the roof terrace and the hacking device trick

I know the heist has been out for a while and some, if not most of you already know how to do the heist but I’ve decided to make this guide for anyone who’s new to the heist. If I missed anything feel free to comment.
Note: This will be tailored more towards people who have someone else to play with.
You can use HeistTeams to look for someone to do the heist with

Loot

For the Diamond Casino Heist there are 4 possible vault contents: Cash, Artwork, Gold & Diamonds. Diamonds are worth the most and Cash is worth the least.
Diamonds were originally put in the vault during the Valentine’s Day weekly event. They were taken out after that but are now currently possible to get at the time of this post.
Unfortunately what you get in the vault is random, however after you’ve hosted all 3 approaches you’re able to call Lester to cancel the heist.

Support Crew

Driver: Unless you’re looking to unlock a trade price, always pick the cheapest driver, Karim Denz (5%). Choose the Sentinel Classics. These cars are good enough and you can take them into the sewers after exiting the Casino to easily lose the cops. Alternatively you could drive them (or any car off the street) to the Helicopter that spawns on the roof of the police station, which is my preferred method of escape.
Gunman: Unless you’re doing the Aggressive Approach pick the cheapest gunman, Karl Abolaji (5%). In Big Con you shouldn’t be shooting anyone at all and in Silent the suppressed weapons you get with the Karl is good enough (when remaining undetected).
Hacker: The hacker determines how much time you get in the vault. The better the hacker, the more time you get. For this you’ll want to get Paige Harris (9%) who you can unlock by owning a Terrorbyte or Avi Schwartzman (10%) who you can unlock by destroying all 50 signal jammers.

The Big Con

By far the easiest approach.

Make sure to leave the vault before the timer hits 0:00 to remain undetected. I recommend starting to leave at about 15-20 seconds left.
Exit: Staff Lobby
Entry Disguises: Gruppe Sechs, with this disguise you’ll literally get to walk straight to the vault without killing anyone
Exit Disguises: Personally I haven’t seen a difference between the Noose & Firefighter exit disguises. You also don’t really need them to escape. Here’s an exit strategy on how to get out
Patrol Routes: Allows you to see the guards on the map & their cones of vision. I reccomend doing this at first, with practice you eventually won’t need it as the patrol routes are always the same with this approach.
Duggan Shipments: Completing this prep will make it so none of the guards wear armor or helmets. Some say you should always do this prep but I reccomend you skip this. In the Big Con it is unlikely that you get detected, and even if you do it’s worth it to Quick Restart. Any guards with helmets can be meleed
Security Intel: Allows you to see cameras on the map & their cone of vision. Not too important on this approach but once you complete this prep it will be permanently unlocked for each time you setup the heist.
Power Drills: Skip
Security Passes: Make sure to get Level TWO Security Passes. This allows you to swipe through all the doors without having to hack. You’ll only have to hack when inside the vault.

Silent and Sneaky

You definitely don’t want to do this with randoms.

Enter & Exit: Staff Lobby
Make sure to leave the vault before the timer hits 0:00 to remain undetected. I recommend starting to leave at about 15-20 seconds left.
EMP: Temporarily turns off all the lights and cameras in the Casino. I recommend using this after exiting the vault. Wait until you get to the end of the mantrap though.
Infiltration Suits: This will give you night vision goggles to see in the dark after you activate EMP. You can skip this and use the map as a guide to make it to the exit.
Patrol Routes: Do This.
Duggan Shipments: If you want to exit with the most amount of money its best to leave undetected. In my opinion it’s worth quick restarting if you get detected. You’re able to take out all the guards without doing this prep since you can Melee the guards who wear armor and shoot the ones who don’t wear armor.

If you plan on quick restarting, then don’t bother doing this prep. If you plan on continuing (not reccomended) upon detection then do duggan.

Security Intel: Allows you to see cameras and their cone of vision on the minimap. Useful on this approach
Power Drills: Skip 😴
Security Passes: Get a Level 2 Security Passes

Aggressive

Enter: Sewers
- Exit: Staff Lobby
- Reinforced Armor: Do this
- Boring Machine: This is suppose to allow you to pick the Sewer entrance, but last I checked there’s a bug with the heist that still allows you to pick the Sewers without completing this prep sooo Skip.
- Duggan Shipments: Definitely do this prep on the Aggresive Approach.
- Patrol Routes: Skip
- Security Intel: Useless on this approach but like I said previously, you only ever have to do this prep once and it’ll be permanently unlocked.
- Power Drills: Skip
- Security Passes: Level 2 Security Passes

Hello everybody!

The new Casino Heist has been out for over 2 weeks now and there is probably already plenty of guides about it on YT, but I've wanted to make my own guide for a while now and finally think that I have enough experience to make one. I have played the Casino Heist about 30 times now (lost count at 10) and played all the 3 different approaches with a friend, so anything I say about the finale in this guide will be doable with just 2 guys, unless I specifically say so.
Keep in mind this is not a completely flawless guide, I will keep improving and editing it whenever I learn something new. I hope this guide can help you fly through the Preps and have no problems doing the Finale.

1: The Basics
2: Vault contents
3: Approaches
4: Crew
5: General Prep Work
6: Approach specific prep

Silent approach
Big Con approach
Aggressive approach

7: Silent Finale
8: Big Con Finale
9: Aggressive Finale
10: Tips and tricks

1: The Basics

First of all, do the Preps in a solo public lobby. Theres no reason not to do them in a solo public lobby since others can only affect your experience in a bad way, unlike selling MC stock where you will get a bonus for every player in the lobby. (Guide for making solo public lobbies here)
Of course you can do the prep missions with a friend, that way you can avoid having to go to a certain place twice in some prep missions, but it's not neccesary. If you and a friend both do your prep missions simultaneously, you will be able to do 2 Finales in 2 hours if you are experienced in doing the missions. If you don't have any friends to do the preps with, don't worry, they're all doable completely alone and shouldn't be a problem to a decent player.
Now for Arcade locations. Of course I have to talk about Pixel Pete's in Paleto Bay. If you plan on doing the Casino Heist multiple times for a good income of large amounts of money, invest the cash from your first couple of runs from Paleto Bay into a proper arcade. I own the Videogeddon arcade in La mesa (~1,8 million), which is the cheapest in LS, but imo the 8-bit arcade (~2,6 million) is the best since its basically on the same road as the Casino and its garage is way more accesible than the La Mesa one since over there you have to drive around to the back to get into the Garage (Always enter your arcade through the garage entrance, it saves a lot of time compared to going through the front door, into the management office and through the secret tunnel) Either way they are both viable choices, but you should forget about the other ones in LS.
Vehicle choice. Obviously the Oppressor Mk II is your best friend for most of the prep missions, but there are plenty other viable alternatives. The Buzzard can be spawned in directly in front of you via CEO vehicles (if you own one it's free, otherwise it costs 25k per spawn) The issue with the Buzzard is its armor. After taking a couple shots, and trust me, you will, your Buzzard will start to smoke and will then stop working within ~5 minutes. The Akula is another very viable choice, especially when looking at the fact that you will have to lose the cops a lot (the memes are true). It also has fast firing homing rockets (don't use the rocket barrage, it's useless for grinding purposes) which will also help (it has infinite (?) rockets so running out of them won't be an issue, unlike the Oppressor, which only has 20) The Hydra is another hidden gem for the prep missions, if you can fly it well that is. Keep in mind that when using bulky vehicles like Helicopters or jets, the La Mesa arcade will be even worse since you have to land on the road and walk around the back of the arcade, whilst with the oppressor you can just fly straight into the back alley.
Hard finales. After doing a certain approach, that approach will be locked for the next heist. After doing another heist with a different approach, the approach first used will become available again with a red skull signalizing it will be on hard. Choose your 2 favourite approaches (information about the approaches below) and do them back to back, as playing the heist on hard will of course result in the loot being worth more. Don't worry about the heist being to difficult on hard, the only differences for the 2 sneaky approaches is the amount of fingerprints during hacks and for the loud approach the improved armor will be more than enough to make the heisdt a cakewalk.
I recommend purchasing the keypad at the prep board and training your fingerprint hacking skills on there. Trust me, you'll want to be fast when it comes to hacking the keypads. I get the hacks done in about 15 seconds and that is usually fast enough to get all the loot I want.

2: Vault contents

Alright, now for the interesting part, the vault contents. You probably know by now that Cash is the worst option. The best option in terms of money is Gold, while artwork takes significantly less time to loot. If you plan on doing the heist as a 2-man team, aim for artwork, if you are more than 2, go for gold. Forget about Cash.
So how do you influence what loot the vault contains? When doing the scoping out the vault mission, you will be able to see what the vault contains. If it's what you want, then good for you, you may leave the casino and move on to selecting the approach and crew. If however the vault contains cash or whatever loot you don't want, you can "change" the vault contents like this:

Leave the camera
Call Lester WHILST STILL IN THE CASINO
Cancel the Casino Heist
Leave the Casino and go back to your arcade
Pay another 25k to start the heist again

The vault content will already be revealed. If it however still contains the unwanted loot, leave your arcade, call Lester to cancel the heist again, re-enter your arcade, start the heist for 25k again. You will then have to do the vault content mission again and if it still isn't the wanted loot, you may repeat the tactic above.
Don't worry about the 25k that you'll pay each time you restart the heist, good compared to artwork is worth about 200k more so you will have plenty of chances before losing money.
The following describes a controversial glitch that may be used to gain more loot than you're meant to, if you don't want to do this glitch, then you don't have to, but some people will obviously want to do this.
For the glitch, you need the vault to contain Gold. I would usually write this in the finale section but this may influence your decision on what loot to pick so I see this as a more fitting place to write it.
When inside the vault, the gold will be stored on several carts across the vault.

Go up to one and press E to start collecting the gold.
Collect every bar but stop at the last one
Press right click to stop the looting whilst there is still loot on the cart
Wait 2-3 seconds infront of the cart
Press E to start looting again

Voila, the cart will be full with gold again and you may now collect all the bars. This can only be done once for each cart, so after "filling up the cart" once you can collect all the loot off of it without losing anything. This way you can get up to ~3,7 million worth of gold. You will be able to collect more but the rest won't be added to your total, so you might aswell stop at that amount and leave the vault.

3: Different Approaches

1: Silent and sneaky
This approach involves you sneakily going into the casino with silenced weapons, sneaking your way to the vault and then getting out undetected again. I recommend playing this with people that are willing to communicate. I'm not saying you shouldn't pick this if you have to play with randoms, just make sure they are capable of cooperating before you start the heist.
The pros of this approach are that you will have ~3:25 minutes inside the vault and that you wont get shot (hopefully) so you wont lose any loot. This approach also lets you casually empty out the secondary vault opened via the security center (more about that in the finale section)
The obvious cons are that you need to have teammates capable of cooperating so they wont rush in, alert the guards and make you lose your sanity. The detection system is also very inconsistent and things that you might think wont alert the guards will turn out to do so, sometimes.
For this approach I recommend getting the artwork loot if you are just 2 players and gold (w/o glitch) if you are more than 2
The prep missions that may be skipped for this approach are:

Power drills, since the lockboxes inside the vault don't pay that much and it takes time to drill them open that can be used to loot the main contents

2: Big Con
You enter the casino in disguise and get out in disguise, making you lose no loot from being shot like in the silent approach.
First of all, USE THE GRUPPE SECHS UNIFORMS. For the gruppe sechs uniforms to becaome available, you have to photograph the security tunnel of the casino (see image below) By using the gruppe sechs outfit, you can walk straight into the vault without needing to kill anyone.

Service tunnel location
This is in my opinion the best approach since you can easily stay undetected the whole time and it leaves very little chance of failure by stupidity and gives you the full 3:25 minutes inside the vault for looting.
Recommended loot is once again Artwork for 2 people, Gold for 3-4 people.
The prep missions that may be skipped are:

Patrol Routes. You will only have to kill a maximum of 2 guards and they will be near enough to pop up on your radar anyway
Duggan shipments. You will kill the 2 security guards with melee since your weapons don't have stabilizers and their armor doesn't save them from melee attacks.
Power drills, again, since the effort of drilling the lockboxes is not worth it most of the time

3: Aggressive
The most barebones approach involves you shooting your way through the casino and blowing the vault open. This is the easiest approach to do with randoms and can even be done with level 10s who just got their first million.
I recommend photographing the sewer entrance to shorten the way that you have to fight your way through (see image below)

Sewer location
The recommended loot is always artwork since you won't have as mcuh time in the vualt, so the faster you get all the loot the better.
The prep missions that may be skipped for this approach are:

Power drills, obviously since you have less time inside the vault.

4: Crew

Crew choice, seems like a hard decision, really isn't. You basically want to pick the cheapest crewmembers who give you the best hardware.
1: Gunman
Karl Abolaji. For every approach. This might seems like a stupid decision seeing as he only gives you a sawed-off shotgun or heavy revolver for the loud approach, but you will actually get an SMG aswell, which is very usuable for the loud approach. If you don't feel comfortable with just an SMG, Pick either Patrick McReary or Gustavo Mota. Packie will of course be very hard to unlock (Guide to unlocking Packie here) but he will give you a combat MG for only 8% of the cut, whilst Gustavo Mota will give you a Carbine OR Assault shotgun (with the SMG) for 9%
For Silent and Big Con, Karl will give you Micro-MPs, which are more than capable of doing their job, that being killing guards in the silent approach. For Big Con, you could actually play completely without weapons since you only need to melee 2 guards.
2: Driver
Probably the least important crewmember. Some people don't even use the getaway cars provided. So of course, pick Karim Denz. He will be able to source oyu the Sentinel Classic, which is a more than capable Car for getting to the needed places (more information about getaway in the finale section) for the smallest cut.
Of course you may choose other drivers if you want to unlock the trade price for any of the vehicles.
3: Hacker
The most important crewman. Really the only viable choice is Avi Schwartzman, who can be unlocked by destroying the 50 signal jammers spread around San Andreas (Guide for 50 jammers here) He will give you the most time in the vault (Paige is an "expert" hacker aswell but she will give you ~15 seconds less inside the vault) Don't even think about all the other hackers, the hacker is no place to cheap out.

Ideal crew layout

5: General Prep Work

Alright, in this section I'll go over all the prep missions and give some tips and hints on what to do and what not to do and what vehicles work best. First of all, don't buy any of these preps for 70k, they're all somewhat easy to do and shouldn't be a problem for a solo player.
1: Untraceable weapons
This mission is be annoying but also easy. There are lumtiple types of this mission, and whilst none of them are a true challenge, they can be annoying to do since you have to either fly/drive a slow vehicle or collect 2 crates.

Noose Vans: There will be 4 Noose vans around the map and you have to blow the back door off to check for the weapons. You cannot lock onto the vans with homing missiles, so you either have to have good aim or use stickybombs in a ground vehicle. After finding the right one, you have to take it back to your arcade, after losing a wanted level. The annoying thing is, you cannot call Lester to lose that wanted level and the Van is very slow, I recommend driving through a tunnel where the cops cannot go to lose them.
I/E crew: You have to fly to the shore and find A couple of guys exporting the weapons, just blow them up or murder them any way, get in the Tula and fly to Sandy Shores airfield. When taking off in the Tula, switch to VTOL mode and gain some forward speed and altitude before switching to normal flying.
Lost MC/Vagos: You have to go to the clubhouse of the Vagos or Lost, clear the hostiles, find the weapons inside the clubhouse and bring them to your arcade. You will probably die the first couple times you try this mission, but you'll get the hang of it eventually. If you get the Lost MC mission and you have an arcade in LS, I recommend just finding a new session if you're alone since flying to Paleto Bay twice can be very time consuming.

A weapons case inside the Lost MC clubhouse
2: Getaway cars
This mission is somewhat easy for all types, but of course it's much faster done with a friend since you will have to get 2 cars most of the time.

Police warehouse: You have to go to a vehicle warehouse of the police and get the 2 cars out of there, don't worry about the sounds of the engines when in the warehouse, the cops inside seem to be deaf. When driving outside, be careful not to alert the cops standing outside or you'll have to lose your wanted level first.
Valet: You go to a hotel, scare away some valets, dress up as one and wait for the cars to arrive. Nothing much can go wrong here. The only things you shouldn't do is shoot or knock out the valets and bump into somebody infront of the hotel. Just simply bring the cars to your arcade and you're done.
I/E crew: You have to take the cars off a crew who just imported them. Just go to the location, kill the goons and take the cars. Watch out however, the enemies have extremely good aim and even a single enemy can kill you in a couple of seconds. Just use your homing rockets (don't worry, the getaway cars can't be blown up) to kill them, get the cars and bring them to your arcade.

3: Hacking Device
Seems like a simple mission, and it is. There are only two types of this mission, and they are both somewhat easy.

FIB: Collect a security pass off an FIB agent by brutally slaughtering him and his fellows, go to the FIB office, find the briefcase with the hacking devise, get out, lose the cops and bring it to your arcade. When killing the FIB agent, an exploded vehicle may block the agent's corpse. Just get another car to push anything away. There is also a bug where the corpse will either always be considered as blocked or ont even appear, if that happens you have to find a new session and restart the mission.
Noose: The early part is pretty similar to the FIB type, you collect a keycard off of an agent, enter the Noose building and use your phone to find the hacking device. When you get out of the Noose building, the alarm will always automatically go off, just fly away with your OppressoAkula etc. and lose the cops before bringing the hack device to your arcade. You can also assassinate the agent silently when collecting the keycard by approaching him, waiting for him to go away from the other 2 agents and then bopping him in the head with a gun, but form my experience its faster to just blow him up since you'll most likely lose the cops on the way to the Noose building anyway.

The briefcase you're looking for
4: Vault Keycards
This one has 2 mission types. In one you just go to two guards who have the keycards, eliminate them silently by smacking them in the head with a weapon and then looting their keycards.
The other mission is a bit more complicated. It involves you getting a prison bus and entering the bolingbroke prison in that disguise tho then silently murder a guard there who has the keycards. You actually don't have to collect or even blow up the bus, you can fly straight to the prison, kill the guard and get the keycard. Keep in mind thatr you wil get 4 stars doing it this way and there are snipers on the 2 adjacent towers to where the keycard guard is, so you'll wnat to kill those first before looting the guard.
The recommended vehicle is the Oppressor Mk II just to get around faster, but the Akula is a very viable choice aswell to lose the cops more easily after flying to the prison.
5: Guard Patrols
Pretty straight-forward mission. You go to a Duggan security meeting, kill all the guards, find the correct car, photograph the plan and then get out.
This mission can be done stealthy, but it's basically impossible, you're better off juzst shooting them straight away.
The correct car will always be a Felon GT and there will always be 3 of them in the same positions, so you get the hang of where to go after doing it a couple of times.
Once again the Oppressor and Akula are your go-to vehicles for this mission, but DO NOT use the rockets to blow up the guards, the chance of accidentaly blowing up the car with the plans is not worth the risk, and I suggest you also dont use a Minigun since that can also bvlow up the car pretty quick.
6: Duggan Shipments
This is the most stressful prep. You need to destroy 10 of Duggans shipments in 10 minutes to weaken the guards inside the casino. The easiest way to do them is with any chopper with rockets (Akula, Hunter, Savage etc.) or the Oppressor Mk II (you may need to fly an optimal route so you have enough time to destroy all of them.
It is actually no neccesary to destroy all of them, for the silent approach destroying 2-4 is sufficient to make the guards not have helmets (you don't want to bodyshot them anyway, that might make them sound the alarm) but for the loud approach, it's best to destroy all 10 of them so that the guards only have Pistols and Micro SMGs.
If you fail to destroy all 10 in time, you can quickly leave the session before the time runs out and retry the mission.
7: Security Intel
This prep is unlocked after completing the 6 Casino missions unlocked by buying a Casino Penthouse. It can only be done once, so you won't have to replay it every heist.
The mission is simple, you go to a mall, meet Vincent, get the stolen car back for him (use a vehicle with drive-by weapons, helicopters and the Oppressor aren't good for this mission) and done, you can now see all the cameras inside the casino.
8: Power Drills
This mission also has 2 types, but the van one is much rarer. The common one involves going to a construction site and getting 2 power drills.
When you get to the cunstruction site, there will be a white icon on the map. Go there and equip the helmet (your character may remove the helmet shortly after equipping it but the disguise will still work) then just go and check the boxes for the power drills
YOU CAN CARRY BOTH DRILLS AT ONCE! That way you don't have to fly all the way to your arcade and back to collect the other drill.
The second type involves stealing a van with the drills inside and taking ti to your arcade. Simply use a vehicle with drive-by weapons (Once again no chopper or Oppressor), kill the driver AND passenger (he will get on the driver seat after the driver dies), collect the van and take it to your arcade.
9: Security Pass
First of all, ALWAYS get the level 2 security pass (the one showing a valet and croupier on the mission picture) The level 1 pass will only get you through the outside doors whilst the level 2 pass will open all doors except the level 3 ones inside the vault.
Once again, two types of this mission may occur. The first involves you stealing a hearse from a church parking lot. You will then have to lose a 2-star wanted level and drive to a hospital where you then have to find the corpse of a valet and get his security pass. When entering the hospital, your character may automatically have a weapon drawn, so pay attention to that before running through to the corpse.
The other type has you going to the party of a croupier, waiting until lester found the right guy and then take the security pass off him. When you get to the party, there will be a pavillon with people dancing, just go there and start dancing until lester has found the right guy. When you then search the croupier for the pass and it's not on him, just search for a small purple keycard (it can be somewhat hard to find but it will always be in the same locations) and collect it.
As for vehicles, anything goes. The Oppressor will probably get you where you want to go the fastest.

The pavillon that you can dance under

6: Approach Specific Preps

Silent approach:
1: Drones
You have to destroy 5 drones spread around LS and collect their parts. Pretty simple mission, use something with rockets (Oppressor will have better rockets than Helicopters) and blow up the drones. You can of course carry all 5 drone parts at once.
It can be tricky to lock on to the drones as you will also lock onto the cops if you have a wanted level, just swap from non-homing to homing rockets if you locked onto the wrong target.
2: Laser drills
This can be a difficult mission. You will either have to take the two drills off the military, which may be hard since they are very accurate and theres a lot of them, but you can use you Oppressor or Akula rockets without worrying about blowing up the drills, just be sure to stay far enough away, their aim is surprisingly good. Be careful when collecting the first laser drill, if the cops kill you your Oppressor may be impounded and you have to use a different one.
The second type will be to take the drills from a bunch of Cliffford soldiers (apparently they're still around) which is way harder than the military since the cliffford soldiers are EXTREMELY accurate and there will even be a juggernaut and snipers. I don't recommend using the Oppressor for this as you are very vulnerable when standing still, go with an Akula instead. Just kill all the soldiers, enter the warehouse, kill some more soldiers, take the drills and get to oyur arcade.
3: EMP
Another pretty easy and simple mission, you will have to collect a cargobob (with an extra long cable) from the airport, fly to the LS University and steal their EMP. Then just fly to the drop-off, lose a 3-star wanted level by evading the helicopters and drop off the EMP.
Some people skip this mission and the next one, but I use the EMP during the finale to casually do the last hard part so theres no risk of screwing anything up. If you are however coordinated enough to not need the EMP, then you may skip this and the next prep
4: Stealth Uniforms
I highly recommend paying for this mission, it can be very annoying and you get the 70k back from the finale anyway.
This mission involves you going to humane labs and assasinating guards silently (very similar to the infamous deliver EMP mission) and getting the uniforms from the garage where you would park the insurgent in the Humane Labs Heist. This mission can be done quickly if you have a buddy, if you don't, it's better to just skip it and pay the 70k (If you don't plan on using the EMP you don't need to do this mission anyway, it's only for the night-vision equipment)
Big Con approach:
For this one, I'll only talk about the group sechs uniforms, since this is the easiest method of doing the Casino Heist by far. If you want to use a different uniform to unlock it, go ahead, but do be warned that it will be significantly harder to fully stealth.
1: Group Sechs, part 1:
Simple mission, go to a mechanics repair shop, kill the mechanic after realizing the Stockade is locked, get the keys and drive away. You will get a wanted level, but you can call Lester to easily lose them.
2: Group Sechs, part 2:
A bit harder, but still pretty easy. This mission is similar to the Patrol routes mission, you have to go to a group sechs meeting, kill everyone (this can also be done stealthy, but its again almost impossible), photograph the license plate of the black stockade, send it to Lester and then get the equipment and bring it to your arcade. Again as with the Patrol routes mission, do not use explosives to kill the guards as you might accidentaly blow up the equipment. You can call Lester to get rid off your wanted level.
3: Vault drills
Yet another simple mission with two types

Fleeca: A crew of bankrobbers will be robbing a Fleeca-bank with the needed drills. Go there, kill em, get their drill, lose the cops, bring the drills to your arcade. Pretty simple, but you cant call Lester, so using an Oppressor or Akula is beneficial.
Heist crew: A bunch of heisting dudes are being arrested by the police. Go there, kill em, get their drills, lose the cops, bring the drills to oyur arcade. Pretty simple, but you can't call Lester, so using an Oppressor or Akula is beneficial....hm, I'm having quite the Déjà vu.

4: Escape Outfits (Noose)
I'm choosing Noose outfits because they look better (and I'm sure they are in some way better than the Firefighter uniforms, I just don't know how, you seem to get spotted in the Noose uniforms aswell)
Simple (yet somewhat difficult) mission. Go to the mission row police station, kill all the cops there, find the Noose equipment, loose the cops and bring them back to your arcade. You can't call Lester to lose the cops so an Akula would be helpful. When collecting the second uniforms doing it solo, you will once again get 4 stars, so be ready to evade the cops again. Also, when you die at the police station, the cops will most likely impound your vehicle, so a careful approach would be better.
Aggressive approach
1: Thermal explosives
Loud has some pretty annoying mission, this being the first one. Once again, there are 2 types of this mission

You have to go to some rednecks and get the explsovies off of them. Just kill them all (once again no need to worry about blowing anything importnat up) and collect the boxes. They have a pretty big pickup distance so collecting them in a Helicopter should be no problem
SecuroServ Warehouse: Go to a warehouse, kill some people outside, kill some people inside, find the explosives, bring them to your arcade, no cops, pretty easy.

2: Vault explosives
This may be the most annoying mission of the entire heist. You have to go to a crash site of a plane, dive to the wreck and collect the explsovies. If you own one, put on a diving suit BEFORE starting the mision, you can't access the outfits during the mission.
When arriving at the crash site, you can dive straight to the plane if you have a scuba suit equipped, that saves you the killing and you won't get shot at instantly. Otherwise you have to kill some goons and equip a scuba suit nearby marked on your radar. When you collect the explosives, 3 helicopters will spawn. When you get out of the water, kill the gunners inside the helicopters, not the pilots. The helicopters would respawn and by only killing the gunners they will just follow you without shooting you.
3: Improved armor
You'll probably want to buy this prep, since this mission can also be very annoying. Two types of this mission, both are very unpleasant.

Humane Labs: Go to the beach at humane labs, get into a scuba suit, dive through the cooling tunnel into the facility, find the armor and bring it to your arcade. This mission may not be that hard, but the long swim and indoor fighting stretch out the mission and it quickly becomes repetetive and boring. There will atleast be a buzzard when you get out of the facility.
Merryweather bunker: Enter a bunker, kill the merryweather goons, find the armor and bring it to the arcade. Simple mission on paper, but the enemies will probably kill you atleast once and the armor sometimes can be tricky to find, I once spent 15 minutes searching the armor.

4: Drill
Simple mission and only needed if you plan on entering the casino through the sewers. Just go collect a truck with the drill loaded onto it, drive it through the water channel and into the sewers.The time you save by going into the casino through the sewers is probably negated by the time it takes for this mission, but having a more relaxed finale is certainly worth doing one more short prep mission.

7: Silent Finale

Alright, it's finally time for the big moneys, the finale. For this approach, you'll want to go in through either the garbage disposal or personnel room and go out through the personnel room. ALWAYS choose the high end buyer, he will give you the most money.
The finale starts very simple, you drive to the casino and enter through the door you chose. Careful, there will be a camera that you need to zap using your stun gun. When inside, there will be metal detectors that you need to disable by shooting the current box with the stun gun. Sometimes there will be guards watching the metal detectors, in that case you need to take them out before you go through.
When taking out guards, it's better for player guy to kill 2 guards facing eachother, as internet issues may cause in the alarm being raised even if the guards are killed simultaneously. You have more than enough time between shooting the first guard and the second guard raising the alarm that it shouldn't be a problem, just make sure your teammates stay back and don't interfere with the player killing the guards.
After clearing the first area (see picture below), you enter the security room through one of four doors (most of the time 2 of them are locked, can be seen by a red display on the keypad instead of the blue diamond) and then wait for the guard in the hallway to move out of the cameras sightline (Do not worry about the glass at the security room, for some reason guards can't see through it. The y can however see through the glass of the doors) Then you follow him (watch out for the camera) and shoot him in the head. Feel free to then clear the secondary vault by one play opening it for another player to loot (theres another button to open the vault inside, the player pressing the button only has to let him in) and then USE THE STAIRS to get to the vault floor.
When going down the stairs, a guard will walk up the stairs, shoot him in the head, disable the camera in the stairway and make your way all the way down.

Getting to the stairs undetected
On the vault floor, go out of the stairway and take out the 2 guards to the left. Then set off your EMP (this will also obviously disable the cameras) by having the host open their phone and using the securoserv-hack. The lights will then go out and you can rush into the main lobby and take out the 4 guards there. You can ignore the last guard inside the security room, just go to the keypads, swipe both at once and enter the mantrap.

Getting to the mantrap undetected
When at the vault door, 2 guys get out their laser drills and start drilling. The drilling is very simple, you just keep the drill as hot as possible whilst not overheating it. When inside the vault, take as much loot as you can but make sure to leave the vault before the time runs out (I recommend stopping the looting with 20-25 seconds remaining to ensure you have enough time to get out).
When getting back into the vault lobby, there will be 2 guards walking past the stairway, you can ignore those, just use the stairs to go up again (and don't forget to disable the camera in the stairway)
When back in the main floor, follow the route shown in the picture below whilst taking out any guards in the way (2 will be in the security room, you can ignore those) and leave the casino through the personnel door. Don't worry about the metal detectors whilst going out, they dont seem to alert the guards.

Getting out of the Casino undetected
When outside, again follow the route shown on the picture below to get to the getaway cars (locations may vary with different drivers) and drive into the sewers. Then spend some time in the sewers by either waiting or driving to another exit (I personally like to drive to the exit right at the highway so that the drive to the buyer is as fast as possible) Make sure not to drive too close to the Casino, as that will get you 5 wanted stars. I recommend avoiding the freeway next to the casino, you may however use the road to the north-west of the freeway.

Escape route with getaway car locations in pink (when choosing the 5% driver)
Then just casually drive to the buyer after you've lost the cops and there you go, fat loot.

8: Big Con Finale

This is the easiest finale by far. Choose the group Sechs entry uniform, noose escape uniform, the personnel rooms as the exit and of course the high end buyer.
Take the Group Sechs truck to the Casino and through the service tunnel, wait until the guard lets you through, park it on the yellow marker and use the elevator or stairs to get to the vault floor.
On the vault floor, just run to the keypads for the mantrap. The guards don't care if you're running or even jumping, just don't bump into anybody and don't draw your weapons.
The just casually loot the vault and again, make sure to get out before the time runs out (stop looting with about 25 seconds left to have enough time to get out safely.
Then just walk through the mantrap and the vault lobby again but USE THE STAIRS to get to the main floor (the camera will not raise the alarm, don't worry about it). Make sure you are all past the camera before going to the main floor, as anyone who didn't go past the camera will get detected due to the guards being alerted and a wanted level appearing. When at the main floor, use the route in the picture below to get to the Noose outfits and switch into them to walk past the last few guards without any problem.

Getting out of the Casino with the Noose uniforms
When outside, follow the same route as in the silent approach to get to the getaway cars. Drive into the sewers, lose the cops in there and then again casually drive to the buyer whilst avoiding driving to close to the casino.

Getting to the getaway cars and into the sewers undetected

9: Aggresive Finale

There really isn't any major explanation needed for this approach, as you won't have to worry about getting detected.
If you chose to enter through the sewers, drive there, enter the tunnel that was dug with the giant drill and plant explosives at the wall to gain entrance to the vault floor directly.
Then just shoot your way to the mantrap keypads and have the others protect the people opening the mantrap if you are playing with 3 or 4 players.
When looting the vault, you won't have to worry about getting out in time, and the nerve agent does very little damage, so don't be scared to take longer than the timer says.
Whilst shooting your way out of the casino, you may use either the elevator or the stairs to get to the main floor. Going through the security room allows you to evade any guards that may be in the south corridor.
When you get out of the casino, you may follow the same route as in the undetected approaches or run directly to the getaway vehicles, although you will probably get shot more doing that and therefor loose more money.
Get to your cars, drive into the sewers and lose the cops. Then you're just one casual drive away from making another bunch of cash. I highly recommend getting bulletproof tires for your getaway cars on this approach, and whilst you are spending that 10k per car, why not go big and get the 15k upgrade that laos makes the cars go much faster.

10: Tips and tricks

So in this section (which I will probably expand with additional tips, feel free to leave some in the comments) I'll go over some of the things I didn't mention that may save some effort or time when doing this heist.

You can lose the cops by going into the back of your Terrorbyte if you aren't carrying any equipment (useful during the untraceable weapon mission with the Noose van)

That about covers it for this heist. This has unexpectedly been quite the project for me, it took me 3 days of writing here and there and getting screenshots, so leaving a smol updoot would be appreciated. If you have any questions, of course feel free to leave a comment, I'll try my best to read every single one of them :)
Happy heisting! (and may your sessions be free of griefers!)

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4: Crew

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7: Silent Finale

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9: Aggresive Finale

10: Tips and tricks

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