Close icon Two crossed lines that form an 'X'. It indicates a way to close an interaction, or dismiss a notification. Mark Cuban went from working retail at a PC store to becoming a wealthy entrepreneur and NBA team owner. Brandon Wade/AP Milton Hershey and Colonel Sanders both spent years perfecting their signature recipes before finding success. Even billionaire investor Mark Cuban tried his hand at many different jobs before he made it big as an entrepreneur. Set aside, for the moment, why someone might suddenly be fired — could be a disagreement over strategy, could be letting a chicken loose in the cubicles. The real question is what happens next.