How he splurges: Splurging might be overstating it. Warren Buffett is one of the richest men alive, yet he's known for his frugality. He's lived in the same five-bedroom home he purchased for $31,500 in Omaha, Neb., since 1958. That'd be $258,400 in today's dollars.

Quiz: Splurge like Warren Buffett? What super rich celebrity do you spend like?

Dining out: He said his family had Christmas dinner at McDonald's in 2007.