If you haven’t played GTA Online in a while, ... Whale, or Megalodon Shark card. In short, if you don’t want to spend any money, you’ll get one million dollars for GTA Online, ...

GTA Online player u/Agreeable_Corner_298 managed to make $1 billion of "legit money" without buying Shark Cards. They did this by repeatedly playing the Casino Heist and running fully upgraded ...