Why Is Kevin O'Leary Called Mr. Wonderful? Here's the Backstory!

Anyone who’s seen more than a few episodes of Shark Tank over its nine seasons knows what to expect from the investors. You’ve got people like cool uncle Mark Cuban, pint-sized ball of

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Shark Tank' Investor Kevin O'Leary Reveals His 5 Secrets of the Sale - ABC News

Kevin O'Leary - Here's your wake-up call! You will get