There’s a reason Warren Buffett is called the Oracle of Omaha — and it’s not because the Berkshire Hathaway chairman and CEO possesses a crystal ball. Instead, he relies on clear, common-sense insights about what to do — and what not to do — with your hard-earned money. And he’s not all talk, either: Beyond his investing acumen, Buffett is also well-known for living frugally, even residing in the same Nebraska home he purchased back in 1958. Find Out: The $50 Mistake Warren Buffett Says Everyone Should Avo ...