Jim McIngvale (Mattress Mack) made history when the Houston Astros won the World Series. He made bets that returned $75 million when they won, the largest win ever in the history of sports betting. The bets were tied into a promotion McIngvale has used many times at his Gallery Furniture Stores in Houston. If he wins the bet, his customers get free mattresses. He's great at getting publicity for himself and his stores, but never had he seen anything like what happened with this bet, the story of which became...