A 'Shark Tank' judge reveals the one thing entrepreneurs do that always catches his attention

"Shark Tank" investor and entrepreneur Robert Herjavec has called Tipsy Elves, an ugly Christmas-sweater company, his best investment on the show yet.Herjavecinvested $100,000 for 10% equity in the business in 2013. Two years later, the company pulled in over $10 million in sales and has expanded to other holiday apparel.There's an important lesson to be learned from the founders' pitch: They brought energy. Herjavecsays if entrepreneurs are able to entertain him, they havehis attention."Investors are tired, they're cold, they're hungry. They hear boring pitches all the time," Herjavec tells Business Insider. "You have toentertain me."When Tipsy Elves cofounders Evan Mendelsohn and Nick Mortonappeared on the show in 2013, they gave a quick spiel about their company, then launched into a surprise fashion show.Models wearinggoofy Christmas and Hanukkah sweaters strutted their stuff for the sharks, while Mendelsohn and Morton provided commentary on the looks.It was silly, but certainly entertaining ' which may have helped the former dentist and lawyer grab Herjavec's interest. Look at that smile on Herjavec's face.Herjavec tells Business Insider one of the worst things an entrepreneurcan doin a pitchis appear bored.If a founder is excited, aninvestor will be ready to listen, hesays.SEE ALSO:This Silicon Valley 'smart drug' startup crashed and burned on 'Shark Tank,' but business is boomingJoin the conversation about this storyNOW WATCH: Barbara Corcoran reveals what separates successful entrepreneurs from those that fail
Click here to read full news..