To be laying around, yes, but 700k isn't a lot of money. It's a large amount but you can burn through that pretty quickly if that's all you got. He buy a decent/nice house in many parts of the country, that's the whole 700k is gone.
I wouldn't stop the hustle until I hit a few million.
He would have to launder that cash first. The video showed that a large chunk of it were $50 bills.
That would make it way harder to launder with a Breaking Bad style car wash.