Buffett has been interested in making and saving money since he was a kid. Today, the chairman and CEO of Berkshire Hathaway is worth an estimated $61.2 billion, according to Forbes, making him one of the world's wealthiest people.

At the age of 13, Buffett spent his mornings delivering copies of The Washington Post, according to Bio. That same year, he invested $1,200 of his savings into 40 acres of farmland.