Mark Cuban is worth $5.7 billion. Here's how the 'Shark Tank' investor makes and spends his fortune.
Mark Cuban is among the richest people in the US, with an estimated net worth of $5.7 billion. He's earned his fortune through business deals including the $5.7 billion sale of Broadcast.com. The "Shark Tank" investor has spent millions on private planes, a yacht, and a lavish Dallas home.