For a guy worth around $6 billion, you'd expect Mark Cuban to be zipping around in a Bugatti, stepping off his yacht in a Brioni suit, and casually sipping $600 coffee brewed with moonwater. Instead?

The "Shark Tank" investor has spent millions on private planes, a yacht, and a lavish Dallas home. Mark Cuban, 66, is one of the wealthiest people in America, with an estimated net worth of $5.7 ...

Cuban's not against wealth—he just doesn't need to flaunt it. "The whole idea of like, get a yacht… it's just not what I would do," he said. There's a reason Mark Cuban still comes across like ...

A luxury car. A designer watch. Maybe even a yacht. Not Mark Cuban. At 32, after selling his first startup, MicroSolutions, for $6 million, Cuban marked the moment by doing the exact opposite—he ...