Want To Be A Self-Made Millionaire? With 1 Sentence, Mark Cuban Reveals How To Get Rich

Nearly all incredibly successful people -- especially incredibly wealthy people -- do this one thing incredibly well.

Mark Cuban: billionaire. Investor. NBA team owner. Nice guy. Mark Cuban knows a little about making money.

So when he was asked what he would do if he lost everything, here's what he said he would do first:

"I would get a job as a bartender at night and a sales job during the day, and I would start working. Could I become a multimillionaire again? I have no doubt."