Retire on $500K and never work again. Is this strategy a financial miracle or a dangerous gamble?

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How much money is enough?

According to entrepreneur Kevin O’Leary, it really depends on your lifestyle and how you invest your funds.

“Do not invest in your brother’s restaurant,” he warned in an interview clip posted to his official YouTube channel (1).

“Or a bowling alley, or a bar, or all that other crap. You’ll lose your money,” he added.

Instead, O’Leary believes a person could survive relatively comfortably with just $500,000 in the bank and “do nothing else to make money” — provided that $500,000 is invested correctly.

But is “Mr. Wonderful” really onto something?

Here’s a closer look at his thesis and whether it’s actually realistic for most people, particularly when thinking about their retirement.

Half a million dollars doesn’t seem like a lot of money these days. In fact, it’s less than half the amount the average American says they need to retire: The latest Northwestern Mutual study found that U.S. adults believed the “magic number” for retirement in 2025 is $1.26 million (2).

Considering that alone, O’Leary’s number already sounds paltry.

Nevertheless, he believes the right investment can deliver a reasonable retirement. A typical saver, he says, can generate 5% returns in fixed income securities with “very little risk,” or between 8.5% and 9% “if you put some of it in equities and are willing to ride the volatility (1).”

Those numbers certainly look realistic. The current yield on a 10-year U.S. Treasury bond is about 4.20% (3), while the S&P 500 has delivered average annual returns of around 10.56% since 1957 (4).

But living off a 4.20% yield on half a million wouldn’t be easy. It translates to just $22,500 in annual income, about 15% of which would go toward medical expenses alone by age 65, according to a study by RBC Wealth Management (5). This means that retirees following this strategy would need to rely on Social Security to make up the difference, or dramatically adjust their lifestyle.

Even the upper end of O’Leary’s assumptions falls short. Assuming a person deploys $500,000 in a portfolio made up of stocks and bonds for 9% annual returns using the classic 60/40 split, they would earn less than $50,000 a year.

Simply put, O’Leary’s proposal isn’t feasible for the vast majority of people.

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If the goal is to be comfortable in retirement, another option is the “4% rule” guideline.

Created by financial advisor Bill Bengen, it’s based on an analysis of historical returns and volatility of bonds and stocks. It says that retirees can safely withdraw 4% from their retirement funds every year over a period of 30 years. Every year after the first year, they would have to adjust the dollar amount to account for inflation.

In this way, it’s assumed that over 30 years, retirees won’t outlive their money if they spend according to the guideline (6). However, even this rule can fall short when you break it down.

Assuming a $1M retirement fund, an older American would only be able to withdraw $40,000 per year using this rule before adjusting for inflation. Meanwhile, the average retiree-led household spent $59,616 per year in 2024, according to the most recent Federal Reserve data (7).

Yet again, that means the average retiree needs to make up about $20K using Social Security. This doesn’t leave much room for dealing with unexpected expenses, and assumes that much, if not all, of your debt — from mortgages to loans — will be cleared by retirement.

If you’re worried about your retirement or looking to get ahead while you still can, here are some ways to potentially craft a more resilient portfolio.

One classic hedge against both a market collapse and inflation is gold.

Unlike fiat money, the precious yellow metal can’t be printed at will by banks or the government.

As such, the theory goes, gold can store its value better during a downturn by virtue of its limited supply and historical value. This may be particularly appealing for those with active retirement portfolios who are worried about how a sudden downturn might affect their ability to draw 4% down.

Gold has also typically performed well during periods of economic or geopolitical stress. As of March, gold was up about 70% year-over-year, extending its streak as one of the best-performing assets of 2025 despite some pullbacks (8).

Now, you can take advantage of the long-term market potential of this precious metal by opening a gold IRA with the help of Priority Gold.

Gold IRAs allow investors to hold physical gold or gold-related assets within a retirement account, which combines the tax advantages of an IRA with the protective benefits of investing in gold, making it an attractive option for those looking to potentially hedge their retirement funds against economic uncertainty.

To learn more, you can get a free information guide that includes details on how to get up to $10,000 in free silver on qualifying purchases.

Just keep in mind that gold is often best used as one part of an otherwise well-diversified portfolio.

Even if you don’t follow his advice about living off of $500,000 in retirement, O’Leary can still be worth listening to.

Among his many pieces of investing advice, he preaches a simple mantra for anyone chasing financial freedom: “Save. Invest. Compound.”

He believes if you do it for long enough, you’ll be rich.

But that’s easier said than done when nearly 1 in 4 American households live paycheck to paycheck (9). Sure, socking away for retirement matters, but so do the bills and purchases you can’t avoid.

That’s why finding a way to save while you spend can help you get a leg up, especially if coupled with an existing investment strategy.

With Acorns — an automated investing and saving platform — you can make essential spending an opportunity for savings.

All you have to do is link your bank account to the app and spend as you normally would. Acorns automatically rounds up the price to the nearest dollar and deposits the difference into a smart investment portfolio for you, allowing you to grow your wealth without even thinking about it.

With Acorns, you can invest in an index ETF with as little as $5 — and, if you sign up today and set up a recurring investment, Acorns will add a $20 bonus to help you begin your investment journey.

But not everyone wants to set and forget their investments. For those who want to take the reins when it comes to investing, there are options available to help you make more informed picks.

For those willing to invest in individual stocks but who don’t know where to start, platforms like Moby can offer expert research and recommendations to help you identify strong, long-term investments backed by advice from former hedge fund analysts.

In four years, and across almost 400 stock picks, their recommendations have beaten the S&P 500 by almost 12% on average. They also offer a 30-day money-back guarantee so you can get a feel for if their investing advice is right for you.

Moby’s team spends hundreds of hours sifting through financial news and data to provide you with stock and crypto reports delivered straight to you. Their research keeps you up-to-the-minute on market shifts, and can help you reduce the guesswork behind choosing stocks and ETFs.

Plus, their reports are easy to understand for beginners, so you can become a smarter investor in just five minutes.

If you’re still feeling overwhelmed by all of the financial advice and want to take some of the burden off your own hands, it could be the right time to get in touch with a financial advisor.

With Vanguard, you can connect with a personal advisor who can help assess how you’re doing so far and make sure you’ve got the right portfolio to meet your goals on time.

Vanguard’s hybrid advisory system combines advice from professional advisors and automated portfolio management to make sure your investments are working to achieve your financial goals.

All you have to do is fill out a brief questionnaire about your financial goals, and Vanguard’s advisors will help you set a tailored plan, and stick to it.

Once you’re set, you can sit back as Vanguard’s advisors manage your portfolio. Because they’re fiduciaries, they don’t earn commissions, so you can trust that the advice you’re getting is unbiased.

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We rely only on vetted sources and credible third-party reporting. For details, see our editorial ethics and guidelines.

@kevinoleary (1); Northwestern Mutual (2); CNBC (3), (6); Investopedia (4); RBC Wealth Management (5); The Federal Reserve (7); The New York Times (8); Bank of America Institute (9)

This article provides information only and should not be construed as advice. It is provided without warranty of any kind.