you can get $750,000 in less than 30 mins. About 25 actually.Now, if we’re very good at grinding we could reasonably get about $750,000 in an hour. If we want just one $20 million car that is (rounded up) to 27 hours. 27 hours of just grinding and nothing else - and no buying anything else. Want all the 20 million cars? That’s 81 hours. All the really expensive cars? 160 hours. Of grinding. And nothing else.