This self-made millionaire 'still wears clothes from high school'—and other surprisingly frugal habits of the super rich

Berkshire Hathaway CEO Warren Buffett is one of the richest men alive, yet he's known to live well below his means. Many argue that's the way to wealth; so we asked these millionaires to share their frugal habits. Some shared their not-so-frugal habits as well.