9 Ways to Grow $5,000 Into a $1 Million Nest Egg

Besides lucky lottery winners and clever stock strategists, becoming a millionaire overnight is nearly impossible. But reaching millionaire status over decades and retiring with a tidy nest egg?

Thanks to compounding interest, it's not an idle fantasy. The earlier you start investing, the easier it is to turn your upfront investment into $1 million. 

Keep reading to see how much you should invest (and for how long) planning for retirement.

To understand how much work it takes to turn $5,000 into $1 million, we'll start by looking at how much an initial investment at the average rate of return can net you.

Let's say you make an upfront investment of $5,000 with no additional monthly contributions. There's no way to know exactly how much you'll earn on an investment, but the S&P; 500 has an average annual return of 10%, so let's assume that's what you'll make.

If your interest compounds annually, you'll end up with around $54,173.53 after 25 years. That's far, far lower than your $1 million goal, and it doesn't account for how 25 years of inflation will drastically lower your buying power.

In other words, you'll need to do more than make a one-time $5,000 investment to boost your bank account to $1 million.

What if you invest the same amount of money for the same amount of time but at double the average rate of return? 

You'll end up with $476,981.08, which puts you much closer to millionaire status than investing $5,000 at 10%, but it still leaves you at just 50% of your goal.

Plus, stocks with an annual return of 20% are few and far between. You might be lucky enough to invest in a high-performing company that maintains a rate of return double the average over 25 years, but you shouldn't count on it.

Besides, even a high-yield investment leaves you with earnings below $500,000 once your investment term is up. Without additional monthly investments, your chances of earning $1 million on your initial $5,000 are slim to none.

Everything changes once you start making additional monthly deposits on top of your principal investment of $5,000. 

If we add $800 a month to your upfront investment, assume an average return of 10% a year, and compound the interest annually, you'll end up with $998,305.30.

That's still a couple thousand away from an even $1 million, but close enough to still call yourself a millionaire, and substantially better than what you'd earn without those additional monthly deposits.

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The more money you can invest every month, the higher your overall return will be — and the less time it will take you to pass the $1 million mark. 

For instance, if you nearly double your monthly contribution from $800 to $1,500 and lower your investment time from 25 to 20 years, you'll have $1,064,587.49 at the end of your two decades.

Is two decades too long to wait for $1 million? Up your additional monthly contribution to $2,600. With the same average return, you'll end up with $1,012,187.67 after just 15 years.

10% is the average annual return for the S&P; 500 over the long run, but if the last few years have shown us anything, the economy is notoriously hard to predict or control. 

To err on the side of safety, let's see what happens when we lower your estimated interest rate to 8%.

Investing $5,000 upfront and another $1,100 once a month, every month for the next 25 years at 8%, you'll end up with $999,240.78, just close enough to call yourself a millionaire.

Upping your monthly investments from $1,100 to $1,800 gets you closer to $1 million in five fewer years. Even at the below-average rate of 8%, you'll end up with $1,011,763.21 after 20 years.

By this point, you know the best way to retire with $1 million is to make ongoing monthly investments — the higher, the better. 

If you can put away just over $3,000 a month on top of your $5,000 lump sum investment, you'll have $1,001,482.58 in just 15 years.

Want to make yourself into a millionaire as rapidly as possible? A decade isn't exactly overnight, but investing more than your principal each month at an average annual return of 10% will get you to $1,002,682.78 in just 10 years.

Of course, few Americans have an extra $5,000 a month just waiting for an investment opportunity to show up. 

But if you're serious about earning your first $1 million, investing income from a second job or side gig plus the money you save through a strict budgeting regimen is the best way to get there.

Turning $5,000 into $1 million takes time, discipline, and additional funding. Depending on your average rate of return and how many years you can afford to wait, earning $1 million through investing is far from a one-and-done job.

However, with solid financial planning, budgeting, and plenty of guidance from a trusted financial planner or retirement advisor, you can build wealth while you sleep to $1 million or more.