Warren Buffett is one of the most famous investors of all time — and his reputation is well-deserved. The ‘Oracle of Omaha’ has managed to outperform the markets on a consistent basis. However, he didn’t achieve such renown through risky short-term investments — to the contrary, Buffett is the paragon of long-term value investing.His approach is founded on a couple of simple tenets that have made his company, Berkshire Hathaway (NYSE: BRK.A), into an almost trillion-dollar business. Buffett prefers to inves ...