One of the reasons Cuban's narrative is so inspiring to entrepreneurs is that he achieved extraordinary success having come from a humble background.
"I grew up in a working class family," Cuban said in an interview on "Shark Tank." His father installed upholstery in cars and his mom worked a rotation of odd jobs. "People thought I might go work at a mill. My mom wanted me to learn how to lay carpet because she was concerned about my future.
"Nobody had high hopes for me," Cuban said. "But I was a hustler."
Indeed, Cuban resold baseball cards, stamps and coins as a kid to make money. He went on to graduate from Indiana University in 1981 and after quitting or being fired from three jobs, Cuban decided to start his own company.