Shark(s) that went in on the deal: Every season, tens of thousands. 12 Of The Most Successful Shark Tank Products Shark Tank Best Shark Tank Products Success If you think that everyone that struck an agreement on the show was happy later, you need to take a look at a few that haven’t ended well. How many shark tank deals don't go through . Jamie siminoff appeared on season 5. $209 million—before shark tank, the company had $100,000 in sales— but before appearing on the show, founder aaron krause was ready, as he is quoted saying, “what i. The percentage of entrepreneurs who experience seller's remorse after making a deal on the show has. Toygaroo, showno towels, sweet ballz, body jac, cateapp, breathometer and you smell soap are some of the companies that went through shark tank and later on shut down. Shark tank's failure rate is around 6%, which is much lower than the estimated 70% business failure rate. However, just appearing on the shark tank show alone ...