Mark Cuban didn't climb from a beat-up car with holes in the floorboard to billionaire status by swiping credit cards.
When he stopped by "The Dave Ramsey Show" in 2014, Cuban made it clear that plastic is the enemy of prosperity. In fact, he and Ramsey joke that people send them each other's comments on debt because their views line up so closely. Both believe credit cards are financial quicksand — and Cuban didn't sugarcoat his point.
