Mike Tyson had a fortune of $200 million in the 1990’s. He blew that with silly investments and rehabilitation issues. At one stage Tyson had several pet tigers, he doesn’t have those tigers today. The management costs on those animals is huge. However the good news is Tyson has built his fortune up again. And he is now worth an estimated $20 million. When you think about it, Tyson doesn’t actually need money, apart from living an amazing lifestyle. His face is known across the world and he can do public speaking or movies, or anything in the entertainment sector and be highly profitable for the rest of his life.