It appears Japanese players are in agreement.

[GilbertLapine]

Rich people get rich by not spending money foolishly.

What makes you think they are just going to drop 300mil on a house?

Correction: upper-middle-class-kinda-sorta-rich-people get 'rich' by not spending money foolishly.

Rich people usually get rich by being extremely lucky, then they spend their ungodly sums of wealth on inordinately extravagant ventures that happen to suit their mood of the moment.