Quote Originally Posted by Waiter View Post
On lvl 100, you mine 1 rock per second (or 1,5 seconds), this means 60*60= ~3600 rocks

Now grinding: you lose almost 1/5 . Result: 3600*5/5=3600$ minimum
And if you're lucky...(impossible) and you will manage to grind all rocks without failing... 3600*5=18000$ Per hour.
Not everybody is lvl100 not anybody at all, while everybody can get a car and do missions