Acorns TV Commercial, 'CNBC: How to Start Investing' Featuring Kevin O'Leary

As part of the Acorns and CNBC Invest in You: Ready. Set. Grow. initiative, Kevin O'Leary says the only "free lunch" in investing is diversification. The businessman encourages you to never bet on one stock. That way, if something blows up, you don't get killed. Also, "Mr. Wonderful" advises you to invest in businesses that are profitable, so you make money too.