Although the set-up amount of the Doomsday heist is downright crazy high, the payout is worth every amount spent.
Furthermore, the job requires a massive set-up amount of $1,945,000. This GTA 5 Online heist requires players to first register as a CEO, VP, or President and must first buy a facility at the Maze Bank to be available. The Doomsday heist was added with the Doomsday heist update of GTA 5 Online.