Here’s What Happens When You Leave a Lot of Money in Your Savings Account

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A high-yield savings account is one of the best places to keep your money. Your deposits are safe and FDIC insured, you can withdraw money at any time, and you’ll earn interest.Alert: highest cash back card we’ve seen now has 0% intro APR into 2026
This credit card is not just good – it’s so exceptional that our experts use it personally. It features a 0% intro APR for 15 months, a cash back rate of up to 5%, and all somehow for no annual fee!
Click here to read our full review for free and apply in just 2 minutes. Believe it or not, though, there’s such a thing as keeping too much money in savings. Read on to learn why — and where you may want to put some of your money instead.How much is too much to keep in a savings account?Savings accounts are best for money you may need within the next few years.They’re perfect for your emergency fund, which should include at least three months’ worth of expenses. That way you have some cash to tap into if you lose your job or get hit with an unexpected bill. You don’t want to rely on a credit card in these situations, because that could land you deep in high-interest debt.And if you’re saving up to make a purchase within the next three years or so, a savings account is a great place for those funds, too.Beyond that, putting more money in your savings account could cost you a huge amount of money — and leave you strapped for cash in retirement.Where to put the rest of your savingsIf you’re like most Americans, you’ll need to invest a decent amount of your income — ideally, 15% or more — to save enough for a comfortable retirement. Most of us won’t get there just by stashing money in a savings account.That’s why it’s smart to invest your long-term savings in the stock market. That may sound difficult and risky, but today, it’s easier than ever thanks to index funds. These funds replicate major stock indexes like the S&P 500 Index, a group of 500 of the biggest, most successful companies in the U.S. When you buy an index fund, you buy a piece of every company in that index.Since 1957, the S&P 500 has returned an average of 10% per year — over twice the interest rate of today’s best savings accounts. So if you buy an S&P 500 index fund and hold it for years, odds are good you’ll earn a high return.Where to buy stocks and index fundsWhere you buy stocks is almost as important as what you buy. There are a number of retirement savings accounts that offer huge tax breaks. These are the accounts you want to invest through first.401(k)If you have access to a 401(k), then that’s the best place to start putting money once your savings account balance is big enough. That’s because most employers will match your 401(k) contributions up to a certain amount — and that’s free money.On top of that, investments held in a 401(k) are not subject to capital gains taxes or dividend taxes. If you invest through a traditional 401(k), then your contributions won’t be subject to income tax. If you opt for a Roth 401(k), then your contributions will be taxed, but once you retire, your withdrawals will be tax free.IRAIf you don’t have access to a 401(k), your next best option is an IRA. You can open an IRA through any of the best stock brokers and start buying stocks, index funds, and more.IRAs offer the same tax breaks as 401(k)s. However, they have lower contribution limits ($7,000 per year if you’re under 50, or $8,000 if you’re 50 or older). And there’s no employer match.Like 401(k)s, IRAs come in traditional and Roth varieties. Not everyone can open a Roth IRA; be sure to read up on the IRA rules to figure out which option is best for you.Taxable brokerage accountA “taxable brokerage account” is just a regular brokerage account — which means it doesn’t offer the tax breaks of a 401(k) or IRA. You can open a brokerage account through any major broker and choose from thousands of investments.Want to get in on the stock market’s high returns? Check out our list of the best brokerage accounts, and you can start investing in stocks, index funds, and more today.How much could a too-big savings account cost you?Let’s say your savings account contains enough money to cover an emergency, plus an extra $20,000. Let’s see how much that $20,000 would earn in:A savings account earning a competitive APY of 4.00%An S&P 500 index fund earning a return of 8% per year (this is totally hypothetical, but it’s a low estimate compared to the S&P 500’s historical returns).TimeBalance in Savings AccountValue of S&P 500 Index Fund Investment0 years (starting balance/investment)$20,000$20,0001 year$20,815$21,6005 years$24,420$29,38710 years$29,817$43,17920 years$44,452$93,219Data source: Author’s calculations. Keeping excess cash in a savings account instead of investing it could cost you tens of thousands of dollars in the long run. And if you put all of your disposable income in a savings account and invest none of it, you could be missing out on six figures.So if you have more money than you need in savings, then it’s time to put that extra cash to work and set yourself up for a brighter financial future.Alert: highest cash back card we’ve seen now has 0% intro APR into 2026
This credit card is not just good – it’s so exceptional that our experts use it personally. It features a 0% intro APR for 15 months, a cash back rate of up to 5%, and all somehow for no annual fee!
Click here to read our full review for free and apply in just 2 minutes. We’re firm believers in the Golden Rule, which is why editorial opinions are ours alone and have not been previously reviewed, approved, or endorsed by included advertisers.
Motley Fool Money does not cover all offers on the market. Editorial content from Motley Fool Money is separate from The Motley Fool editorial content and is created by a different analyst team.The Motley Fool has a disclosure policy.”}]] [[{“value”:”

A high-yield savings account is one of the best places to keep your money. Your deposits are safe and FDIC insured, you can withdraw money at any time, and you’ll earn interest.

Alert: highest cash back card we’ve seen now has 0% intro APR into 2026

This credit card is not just good – it’s so exceptional that our experts use it personally. It features a 0% intro APR for 15 months, a cash back rate of up to 5%, and all somehow for no annual fee!

Click here to read our full review for free and apply in just 2 minutes.

Believe it or not, though, there’s such a thing as keeping too much money in savings. Read on to learn why — and where you may want to put some of your money instead.

How much is too much to keep in a savings account?

Savings accounts are best for money you may need within the next few years.

They’re perfect for your emergency fund, which should include at least three months’ worth of expenses. That way you have some cash to tap into if you lose your job or get hit with an unexpected bill. You don’t want to rely on a credit card in these situations, because that could land you deep in high-interest debt.

And if you’re saving up to make a purchase within the next three years or so, a savings account is a great place for those funds, too.

Beyond that, putting more money in your savings account could cost you a huge amount of money — and leave you strapped for cash in retirement.

Where to put the rest of your savings

If you’re like most Americans, you’ll need to invest a decent amount of your income — ideally, 15% or more — to save enough for a comfortable retirement. Most of us won’t get there just by stashing money in a savings account.

That’s why it’s smart to invest your long-term savings in the stock market. That may sound difficult and risky, but today, it’s easier than ever thanks to index funds. These funds replicate major stock indexes like the S&P 500 Index, a group of 500 of the biggest, most successful companies in the U.S. When you buy an index fund, you buy a piece of every company in that index.

Since 1957, the S&P 500 has returned an average of 10% per year — over twice the interest rate of today’s best savings accounts. So if you buy an S&P 500 index fund and hold it for years, odds are good you’ll earn a high return.

Where to buy stocks and index funds

Where you buy stocks is almost as important as what you buy. There are a number of retirement savings accounts that offer huge tax breaks. These are the accounts you want to invest through first.

401(k)

If you have access to a 401(k), then that’s the best place to start putting money once your savings account balance is big enough. That’s because most employers will match your 401(k) contributions up to a certain amount — and that’s free money.

On top of that, investments held in a 401(k) are not subject to capital gains taxes or dividend taxes. If you invest through a traditional 401(k), then your contributions won’t be subject to income tax. If you opt for a Roth 401(k), then your contributions will be taxed, but once you retire, your withdrawals will be tax free.

IRA

If you don’t have access to a 401(k), your next best option is an IRA. You can open an IRA through any of the best stock brokers and start buying stocks, index funds, and more.

IRAs offer the same tax breaks as 401(k)s. However, they have lower contribution limits ($7,000 per year if you’re under 50, or $8,000 if you’re 50 or older). And there’s no employer match.

Like 401(k)s, IRAs come in traditional and Roth varieties. Not everyone can open a Roth IRA; be sure to read up on the IRA rules to figure out which option is best for you.

Taxable brokerage account

A “taxable brokerage account” is just a regular brokerage account — which means it doesn’t offer the tax breaks of a 401(k) or IRA. You can open a brokerage account through any major broker and choose from thousands of investments.

Want to get in on the stock market’s high returns? Check out our list of the best brokerage accounts, and you can start investing in stocks, index funds, and more today.

How much could a too-big savings account cost you?

Let’s say your savings account contains enough money to cover an emergency, plus an extra $20,000. Let’s see how much that $20,000 would earn in:

• A savings account earning a competitive APY of 4.00%
• An S&P 500 index fund earning a return of 8% per year (this is totally hypothetical, but it’s a low estimate compared to the S&P 500’s historical returns).

Keeping excess cash in a savings account instead of investing it could cost you tens of thousands of dollars in the long run. And if you put all of your disposable income in a savings account and invest none of it, you could be missing out on six figures.

So if you have more money than you need in savings, then it’s time to put that extra cash to work and set yourself up for a brighter financial future.

Alert: highest cash back card we’ve seen now has 0% intro APR into 2026

This credit card is not just good – it’s so exceptional that our experts use it personally. It features a 0% intro APR for 15 months, a cash back rate of up to 5%, and all somehow for no annual fee!

Click here to read our full review for free and apply in just 2 minutes.

We’re firm believers in the Golden Rule, which is why editorial opinions are ours alone and have not been previously reviewed, approved, or endorsed by included advertisers.
Motley Fool Money does not cover all offers on the market. Editorial content from Motley Fool Money is separate from The Motley Fool editorial content and is created by a different analyst team.The Motley Fool has a disclosure policy.

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