3 young millionaires share the one index fund they'd invest in — plus the early mistake that could cost investors six figures in their retirement funds (2024)

People often turn to index funds or exchange-traded funds to simplify investing while getting exposure to diverse assets.

But even within this approach, there are many options to pick from. In December 2022, there were over 2,800 index and actively managed ETFs in the US, according to the Investment Company Institute. A less-than-ideal choice could cost an investor six figures over a few decades.

Aside from lagging performance, one big hiccup often overlooked is the expense ratio tagged onto a fund. Expense ratios can range from lower-end fees of 0.04% to above 1%. These numbers may seem small but become significant in the long run.

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For example, a fund with an expense ratio of 1% would cost $188,224 if you were allocating $10,000 a year over 30 years. According to an expense ratio calculator, the same setup would cost $8,278 with an expense ratio of 0.04%.

It's a lesson many investors learn too late, including Michael Quan, who had a basket of funds with expense ratios between 0.69% and 0.76%. Unfortunately for him, his company's retirement plan offered limited 401(k) choices.

In 2013, Quan left the workforce after selling his IT firm, walking away with a net worth of $1.28 million with $110,000 in cash, according to records viewed by Insider. This also enabled him to roll over his retirement plan while having more access to a broader range of funds.

He began buying index funds with lower fees that diversified his exposure to developed and emerging foreign markets. They included the Vanguard FTSE Developed Markets ETF (VEA), a mix of securities from countries including Canada, Europe, and Japan, and the iShares Core MSCI Emerging Markets ETF (IEMG), which has exposure to developing economies. For US stock exposure, he bought the iShares Core S&P 500 ETF (IVV), which tracks the S&P 500. The funds had expense ratios of 0.05%, 0.09%, and 0.03%, respectively.

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However, if Quan had to repeat the process, he would stick to an even more simplistic approach and allocate to one fund: the Vanguard Total Stock Market Index Fund ETF (VTI). This fund tracks the US stock market and has an expense ratio of 0.03%.

"In my younger years, I was more inclined to invest in longer-term trends, such as emerging markets or tech growth," Quan told Insider. "While I don't believe one strategy is inherently better than the other, I do think our investment approach evolves over time, influenced by our changing priorities and focus."

Jeremy Schneider, a young retiree who ditched his day job when he was 36, also came to the same realization about taking a simpler approach. After building and selling a property-listings platform called Rentlinx, he had a lump sum of cash that equaled $2 million that he used to invest, according to records viewed by Insider.

It was money he would decide to scatter across nine index funds to diversify his portfolio. These included funds that tracked the biggest publicly traded US companies, small-cap stocks, US and global real estate, international and emerging markets, commodities, and Treasuries — a little bit of almost every asset class internationally.

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But soon after retiring, boredom pushed him to search for a new purpose, leading him to become an online educator about money. In 2019, he started the Personal Finance Club, which offers free and paid content about index fund investing. He thought that since he retired young, he could teach others a thing or two about reaching their own financial goals.

He began to educate himself on personal finance concepts and test out different investment vehicles, using tools like Portfolio Visualizer, an online simulator for funds. He compared the indexes he purchased in 2015 against alternatives to see whether he made the right choice. But hindsight is indeed 20/20.

He realized that if he had stuck to one fund, it would have provided similar exposure but better gains. He's specifically referring to the Fidelity Freedom Index 2050 Investor (FIPFX), a target-date index fund which offers a mix of securities that become more conservative as the investor approaches retirement. This fund has an expense ratio of 0.12%.

If he could turn back the clock, Schneider says it would be the only fund he'd invest in.

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Vivian Tu was an equities trader on Wall Street for JPMorgan. Today, she's an educator after starting her Your Rich BFF brand. This financial education platform includes a newsletter and social media accounts where she posts about simple financial concepts like credit card debt and saving money.

Tu hit millionaire status at the young age of 27, with a big chunk of her net worth tied to her New York City apartment, which had a market value of $2.73 million as of September 2021, according to appraisal documents viewed by Insider.

When investing her own money, she didn't employ her trading skills. Instead, she had the early wisdom to know that it isn't easy to beat the market. She sticks to one fund: the Vanguard 500 Index Fund ETF (VOO), which tracks the S&P 500 and is rebalanced quarterly to include the top 500 domestic companies. This fund has an expense ratio of 0.03%.

3 young millionaires share the one index fund they'd invest in — plus the early mistake that could cost investors six figures in their retirement funds (2024)

FAQs

What are index funds and why would you invest in one? ›

Index funds involve passive investing, using a long-term strategy without actively picking securities or timing the market. Index funds should match the risk and return of the market based on the theory that, in the long term, the market will outperform any single investment.

Is it OK to invest in only one index fund? ›

Investing legend Warren Buffett has said that the average investor need only invest in a broad stock market index to be properly diversified. However, you can easily customize your fund mix if you want additional exposure to specific markets in your portfolio.

Can you become a millionaire investing in index funds? ›

As a result, the broad-market index has an excellent historical track record of generating wealth. Over its history, the S&P 500 has generated an average annual return of 9%, including re-invested dividends. At that rate, even a middle-class income is enough to become a millionaire over time.

What is an index fund and what are two reasons they are great to use to fund retirement accounts? ›

Index Fund Pros

Index funds' long track record of superior returns compared to actively managed funds is their primary appeal. They do this, in part, because of the low fees the passive management style enables. Index funds are also generally well-diversified because they own large numbers of stocks.

Should I invest all my money in index funds? ›

To be sure, if you have the time, knowledge, and desire to create a portfolio of individual stocks, by all means, go for it. But even if you do own individual stocks, index funds can form a solid base for your portfolio. Index funds offer investors of all skill levels a simple, successful way to invest.

What are 3 advantages to index fund investing? ›

Over the long term, index funds have generally outperformed other types of mutual funds. Other benefits of index funds include low fees, tax advantages (they generate less taxable income), and low risk (since they're highly diversified).

What is the best index fund for beginners? ›

For beginners, the vast array of index funds options can be overwhelming. We recommend Vanguard S&P 500 ETF (VOO) (minimum investment: $1; expense Ratio: 0.03%); Invesco QQQ ETF (QQQ) (minimum investment: NA; expense Ratio: 0.2%); and SPDR Dow Jones Industrial Average ETF Trust (DIA).

What is the cheapest S&P 500 index fund? ›

What's the best S&P 500 index fund?
Index fundMinimum investmentExpense ratio
Vanguard 500 Index Fund - Admiral Shares (VFIAX)$3,000.0.04%.
Schwab S&P 500 Index Fund (SWPPX)No minimum.0.02%.
Fidelity 500 Index Fund (FXAIX)No minimum.0.015%.
Fidelity Zero Large Cap Index (FNILX)No minimum.0.0%.
1 more row
May 1, 2024

What are 2 cons to investing in index funds? ›

The benefits of index investing include low cost, requires little financial knowledge, convenience, and provides diversification. Disadvantages include the lack of downside protection, no choice in index composition, and it cannot beat the market (by definition).

Where do most millionaires invest? ›

No matter how much their annual salary may be, most millionaires put their money where it can grow, usually in stocks, bonds and other types of stable investments. Millionaires put their money into places where it can grow, such as mutual funds, stocks and retirement accounts.

How much money do I need to invest to make $500 a month? ›

Some experts recommend withdrawing 4% each year from your retirement accounts. To generate $500 a month, you might need to build your investments to $150,000. Taking out 4% each year would amount to $6,000, which comes to $500 a month.

What are the 4 index funds to retire a millionaire? ›

You can build a powerful, global portfolio with these four Vanguard ETFs: Vanguard Total Stock Market ETF (NYSEMKT: VTI), Vanguard Total International Stock ETF (NASDAQ: VXUS), Vanguard Total Bond Market ETF (NASDAQ: BND), and Vanguard Total International Bond ETF (NASDAQ: BNDX). That's really all you need.

What funds does Dave Ramsey invest in? ›

I put my personal 401(k) and a lot of my mutual fund investing in four types of mutual funds: growth, growth and income, aggressive growth, and international.

Can you retire on just an index fund? ›

Index fund investing might not seem as exciting as buying individual stocks, but that doesn't mean they can't build wealth effectively. It is possible (even likely) to build a million-dollar retirement nest egg using nothing but index funds.

Do you pay taxes on index funds? ›

Index mutual funds & ETFs

Constant buying and selling by active fund managers tends to produce taxable gains—and in many cases, short-term gains that are taxed at a higher rate.

Why would someone rather invest in an index fund? ›

Because they don't require active management, the fees and the expense ratios of index funds tend to be lower, which means they can often outperform higher-cost funds, even without beating them.

Should I invest in single stocks or index funds? ›

Investing most or all your money in individual stocks is risky and can lead to losing your investment capital. Investing exclusively in index funds is risk averse and offers much less in the way of returns. Ideally, you want to keep most of your investment dollars in safer investments such as index funds.

What are index funds and what are their benefits? ›

Remember that index funds are passively managed, which means fund managers do not actively make investment decisions. This results in lower management fees and a lower expense ratio, making it a cost-effective way to invest in a diversified portfolio of top companies.

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