What happens when a guy who's never worked in fashion decides to solve a major problem with menswear? You get Collars & Co, the dress-collar polo brand that went from 300 shirts to a Shark Tank deal, a brick & mortar expansion, and millions in sales. Founder Justin Baer joins Elizabeth Gore to talk about viral success, the power of "no," and why paid influencers aren't the guaranteed win they used to be.