Everyone's favorite "Shark" Kevin O'Leary, a.k.a. Mr. Wonderful, is back with advice on the most common money mistakes and how to avoid them. From his pick for the best side hustle during the coronavirus pandemic to knowing when to make the leap to start your own business, Kevin O'Leary's got you covered. And don't worry, he addresses whether buying coffee is a waste of money. In May, Kevin O'Leary reacted to YouTuber Graham Stephan's Millennial Money episode. Whether or not you're a millionaire, Kevin has some advice for you as well.

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