Warren Buffett, widely considered the greatest investor of all time, is one of the richest people on the planet, but you wouldn’t know that based on the clothes he wears, the car he drives — or even the house he lives in. What To Know: The legendary investor is well known for living well below his means, and for good reason. The Berkshire Hathaway Inc (NYSE: BRK-A) (NYSE: BRK-B) CEO pledged to give more than 99% of his wealth away during his lifetime or at death. Buffett, now 94, has lived in the same corner house in Omaha, Nebraska for more than 65 years. He purchased the approximately 6,500-…