Billionaire investor Mark Cuban appeared on the “Full Send” podcast and talked about the worst investment he had made on “Shark Tank.” He believed Charles Michael Yim’s Breathometer fits the bill. In the 2013 episode, Yim revealed a smartphone attachment that he dubbed the “world’s first smartphone breathalyzer.” After an impressive spiel, Cuban was the first investor to make Yim an offer of $500,000 for a stake of 20% of Yim’s product. And for only the third time in “Shark Tank” history, all the judges jointly invested in a product. It was a big mistake — at least, according to Cuban.
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He shared that even though the Breathometer was a good product, working with Yim was a challenge. Cuban revealed, “But, the guy — Charles — I’d look at his Instagram and he’d be in Bora Bora … Two weeks later, he’d been in [Las] Vegas partying, and then he’d be on Necker Island with Richard Branson.” Cuban continued, “I’d text him, like ‘What the f*** are you doing? You’re supposed to be working.'” Yim’s response was that he was networking. After settling a claim with a Federal Trade Commission in 2017 for misleading consumers, the company had to refund every customer that had bought a Breathometer, and the investors lost a lot of money. In 2016, Yim told “Next Shark” that he’s no longer motivated by money. “I’ve achieved enough personal wealth that it’s not about ambition anymore,” he said.
