He launched a systems integration computer company, MicroSolutions, which he sold to CompuServe in 1990. He went on to launch the Internet streaming company AudioNet, which became Broadcast.net, which he and his co-founder sold to Yahoo for $5.7 billion in April 2000.
Cuban went on to buy the Dallas Mavericks basketball team in 2000 for $285 million. At the time, people gawked at his purchase. “Everybody said, ‘You are an idiot because the Mavs suck and that was the largest price ever paid for any sports team ever.’ I was like, ‘I don’t care,'” Cuban said. “It was just a dream come true.” In 2011, the Dallas Mavericks won the NBA Championship.
As part of the Amazon Insights for Entrepreneurs series, in which the e-commerce behemoth collects the best advice for managing a growing business, Cuban shares his entrepreneurial wisdom, describing the following as “some quick and dirty rules that every entrepreneur needs to be aware of.”