Berkshire Hathaway has been building up its cash position to its highest-ever levels over the past two years, and that sends some clear messages about what Buffett's thinking about the market. Combined with his net sales of stocks, he seems to think there aren't so many great deals to be had in the market.

Learn More » In addition to riding Buffett's coattails to significant long-term gains, investors have also come to appreciate Buffett's open-book approach. His annual letter to shareholders and yearly meeting in Omaha provides a forum for Berkshire's chief to speak candidly about the U.

Warren Buffett is famous for both his frugality and his disdain for dollar-based dynasties. The legendary investor has lived in the same home for more than 60 years, and his children and