Warren Buffett may very well be the most famous investor of all time. His uncanny ability to constantly pick the right horse earned him the nickname, "The Oracle of Omaha." And with his longtime partner, Charlie Munger (who passed away last year), Buffett built Berkshire Hathaway (BRK.A -1.96%) (BRK.B -1.99%) into one of the world's largest companies.Although he's famous for continuing to live a relatively modest lifestyle (he still lives in the house he bought for $31,500 in 1958), his successful tenure at ...