A man who made his way through Harvard by scrubbing toilets now resides in a $23,000,000 waterfront mansion.

Meet the Mardi Gras Millionaire, a man who started off penniless and built an empire around parade floats and plastic beads.

A man makes his fortune with the Ginsu Knife; a woman turns her makeup expertise into millions.

New. Season Premiere. Joan meets the inventor of the five-chamber bubble blower, who is so rich, his dog has a walk-in closet and a private chef. How'd he get so rich?

Joan meets the inventors of Butt Paste and The Slanket and a couple who were so broke, they served pizza at their wedding. Now, they're worth billions.

He grew up with dirt floors and no running water. Now he's worth $200 million and has his own ballroom and indoor pool. Joan finds out how he got so rich.