A lot of financial advice gets complicated fast. Charts, timing the market, chasing the next big thing.  “Shark Tank” investor Kevin O’Leary thinks a 20-year-old with just $1,000 can skip all of that.

In a YouTube Short, O’Leary laid out what he believes is one of the simplest paths to building long-term wealth.

“What’s the smartest thing a 20-year-old can do with $1,000? This is so simple,” O’Leary said. “Put it into the stock index and forget about it for the rest of your life until you retire.”

The long game, not the quick win

O’Leary pointed to broad market index funds, particularly those tracking the S&P 500, as the foundation of the strategy.

“The stock market, an index like the S&P 500, grows at anywhere from 10 to 12% per year, every year of your life,” he said. “There are some years where it goes flat, but if you look at the last 100 plus years, it’s delivered almost double-digit returns the majority of the time.”

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The idea is not to trade, react or chase trends. It is to start early, leave the money invested and allow decades of compounding to do the work.

But O’Leary emphasized that the initial $1,000 is only the starting point.

The real wealth builder is adding to it

The part many people miss, according to O’Leary, is consistently contributing more money over time.

“So, that is how you retire wealthy,” he said. “You take the thousand and you add a little bit more every week, generally 50% of your salary, and you retire with over a million dollars when you’re 65.”

Starting at age 20 and continuing through retirement age dramatically changes the math. Even modest weekly contributions can snowball over four decades thanks to compounding returns.

“Start at 20, end at 65,” O’Leary said. “It works.”

The message is simple but powerful. The earlier someone begins investing and the more consistently they add to it, the less they have to rely on market timing, risky bets or sudden windfalls to build wealth. Over time, patience and discipline can do the heavy lifting

Image: Shutterstock

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