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Kevin O’Leary: This easy math trick helps you crush retirement goals

Mitch Tuchman
Kevin O’Leary: This easy math trick helps you crush retirement goals

“Shark Tank” star Kevin O’Leary has some simple advice for anyone who finds investing scary: Just do it. “When you’re 21 years old, or 20 or 18 or 19 and you start putting aside 10% of what you make, you’ll [have] over $1 million by the time you’re 65,” O’Leary told CNBC. Ten percent might not sound like a lot, but the reason O’Leary is right is the mathematical fact of compounding interest.