How to do the casino heist in GTA Five Online involves several steps to ensure a successful operation. First, players must acquire a safe house and complete the necessary setup missions. Choose a heist approach that suits your playstyle, whether it’s stealth or aggressive. Coordinate with your team for roles such as driver, hacker, or gunman. Once ready, launch the heist and follow your plan while navigating security measures and overcoming obstacles. Successfully execute the getaway to maximize your take and enjoy the thrill of one of the game’s most exciting missions.