Charlie Munger Said Most People Should Own Nothing but Index Funds. $400 a Month in VOO Could Become $813,000
Charlie Munger beat the market for decades alongside Warren Buffett, then turned around and told ordinary savers to stop trying to do what he did. His reasoning exposes a costly mistake millions of investors make every year.
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Charlie Munger spent decades as vice chairman of Berkshire Hathaway (NYSE:BRK-B | BRK-B Price Prediction). Alongside Warren Buffett, he helped turn a concentrated portfolio of handpicked businesses into a company now worth about $1.1 trillion. Then he told everyone else to skip the game he had won.
“Most people should not do anything other than have index funds,” Munger said.
Munger, who died in November 2023, was one of the best stock pickers of his generation. He was telling ordinary savers to stop picking stocks. He was right: A saver who ignores that advice and tries to copy Berkshire will most likely end up with less money, higher costs and wasted effort.
Why Munger Called Stock Picking a Losing Game for Most Savers
Concentrated investing works only if you understand a few businesses better than the market does and hold them through severe drawdowns. Munger and Buffett had the temperament, access, and decades of pattern recognition to pull that off. Most savers have a day job.
Every trade has someone on the other side, often a professional with a research staff, and before costs the market return is simply the average result of everyone in it. After fees and trading costs, the typical active investor lands below that average, but an index fund collects the average at almost no cost.
Berkshire’s own record shows the point. Over the past 10 years, BRK-B shares returned about 250%. The Vanguard S&P 500 ETF (NYSEARCA:VOO) returned about 326% over the same period. If one of history’s great investment vehicles fell behind the index, a part-time stock picker’s odds are worse.
$400 a Month Becomes $813,000 on Paper
Here is what Munger’s alternative gets. Invest $400 a month for 30 years at an assumed constant annual return of 9.5%. The ending balance comes to about $813,000. Your deposits add up to just $144,000 of that. The other $669,000 is growth from compounding. Most arrives late: in the final decade, gains on earlier gains dwarf your monthly deposits.
Real markets never deliver the same return every year. A crash two years before you retire hurts far more than one in year three, because far more money is exposed. That is why the most important variable is whether you keep contributing through downturns.
A fixed $400 buys more shares when prices fall. That is dollar-cost averaging. Savers who stop during a crash skip the cheapest shares they will ever get, and compounding stalls.
What You Actually Own Inside VOO
VOO tracks the S&P 500, about 500 of the largest U.S. companies. Vanguard’s expense ratio is 0.03%. On an $813,000 balance, that costs about $244 a year. A 1% fee on the same balance would cost $8,130 a year.
The fund covers large U.S. stocks in every sector, but it leaves out small companies, international stocks, bonds, and cash. Today a small group of giant technology names drives much of the fund’s movement.
Who Should Follow Munger’s Advice, and Who Should Adjust It
If you have decades ahead, the math works. A crash becomes a discount on your next deposit. If you need the money within five years, an all-stock fund exposes you to a drop you may not recover from. That money is typically held partly in bonds or cash.
1. Automate the contribution: Set a fixed monthly transfer into a low-cost S&P 500 or total market fund. Then you never have to decide whether to keep buying during a selloff.
2. Audit your fees: Look up the expense ratio of every fund in your 401(k) and IRA. Compare high-cost funds against any index options your plan offers.
3. Stress-test the math: Run your own numbers in the SEC’s compound interest calculator at Investor.gov. Use a return a few points below 9.5% to see a more conservative outcome.
4. Fill the gaps, and do so deliberately: If you want small-cap or international exposure, add a separate low-cost fund instead of assuming the S&P 500 already covers it.
Munger’s lesson is clear. For most savers, low costs and decades of regular contributions build more wealth than trying to pick the next Berkshire.
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Joel South covers large-cap stocks, dividend investing, and major market trends, with a focus on earnings analysis, valuation, and turning complex data into actionable insights for investors.
He brings more than 15 years of experience as an investor and financial journalist, including 12 years at The Motley Fool, where he served as an investment analyst, Bureau Chief, and later led the Fool.com investing news desk. He has also co-hosted an investing podcast and appeared across TV and radio discussing market trends.
