What do Bill Gates, Warren Buffet, and Elon Musk have in common? (Beaumont)

Warren Buffett sold chewing gum and soda door to door. Now he’s the richest man on earth.

Bill Gates contacted strangers to sell a product that didn't exist. Not kidding - he told the first computer maker that he was working on software for their computer. But he didn’t even know what the computer needed.