Wayne Gretzky – $13.5 Million, California

Wayne Gretzky is not just good at making money from playing hockey, but apparently good at making money from real estate too. In 2007, Wayne and his wife sold the mansion for $18.5 million and in 2018, the bought the same mansion for only $13.5 million! Talk about bargain for them. The reason why Wayne bought the mansion again after selling it is none other than, that mansion is a dream come true! The 6.5 arce property has 2 guesthouses, a tennis court, a spectacular view of Lake Sherwood and also has a movie theater.