© Glentree International In today's tough economic climate, Warren Buffett is setting a good example. The world's second richest man lives in the same five-bedroom, gray stucco house he bought in 1958 for $31,500. That's right. Legendary investor Buffett, 78, still calls his humble digs in Omaha, Neb.'s Happy Hollow suburb home, despite a $37 billion fortune.