

A lot of them work for various non-profits as a way to support various causes. A majority of charities are run by the families of the wealthy.
A lot of high prestige but low pay organizations will have a lot of wealthy people working there. This includes museums, publishing houses, and other high art media.
You also have those who don’t have jobs exactly, but hobbies. They get into collecting enough of a thing to fill their own gallery. They have causes they contribute to on a part time basis. They may have a local estate where they get to pretend to be farmer.
It isn’t all going into business with Daddy.





How rich do you need to be to deal with the legal fallout of getting caught drunkenly street racing?