Maybe you were not aware that GTA has taken in a billion dollars? Or don't know what that number means?
Most people don't: <https://mkorostoff.github.io/1-pixel-wealth/>
Most people don't: <https://mkorostoff.github.io/1-pixel-wealth/>
After reading his account of finding this, how long do you think it took him? 10 hours? 20? 40? That's $250 to $1000/hour for something he did out of curiosity.
I don't think anyone here can get anything close to those numbers you specify... but you could try to hire him and make a nice offer :)