Throughout 2012, he launched two successful Kickstarter campaigns that raised a combined total of over $18,000. Weiss eventually appeared on "Shark Tank" Season 4, Episode 14.

Mark Cuban’s Last ‘Shark Tank’ Episode Airs Today. Here Are 3 of His Best Investments As the billionaire entrepreneur departs the hit show, we look back at Dude Wipes and other fruitful deals.