Baby Step 4

Maximize Retirement Investing Using Your Income

Debt is gone, your emergency fund is stacked, and now it’s time to start building your future in Baby Step 4. Picture a quiet beach morning with no deadlines, no stress, just freedom. That future takes shape when you consistently invest 15% of your income—your most powerful wealth-building tool—and leave it to grow over time.

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What Is Baby Step 4?

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Invest 15% of Your Income for Retirement

These days, a lot of people wonder if they’ll ever retire with dignity, but here’s the truth: Just $250 a month invested from age 30 to 65 can grow to $1,232,073. Anyone in America can retire a millionaire. To get there, invest 15% of your gross income in tax-advantaged accounts. Need a coach in your corner? An investment pro can guide you forward.

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Make a Plan and Stick to It

Retirement planning doesn’t have to be complicated. It’s a simple approach: Invest 15% every month on repeat. No guessing or chasing your golf buddy’s “hot tips.” Just consistent investments that grow over time so you can enjoy your golden years. Now that your money is in shape, the goal here isn’t gazelle intensity—it’s regular maintenance.

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Diversify Your Portfolio

Putting all your money in one place is like having all your eggs in one basket: If that basket drops, so does your nest egg. Lower your investment risk by spreading your money across four types of growth stock mutual funds—growth, growth and income, aggressive growth, and international. If one area dips, the others help steady your growth.

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Keep a Long-Term Perspective

The stock market will rise and fall in the short term—but over time, it’s had a proven track record of growth. Systematic, consistent investing is the tortoise that beats the hare in the race. Slow and steady wins every time. Month after month, you’re putting your future in a position to win—so you can build financial peace and retire with dignity.

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How to Invest 15% of Your Household Income in Retirement

This step is all about building lasting wealth for your retirement. 

Make Sure You’re Ready

Wait to start Baby Step 4 until you’re debt-free (except your mortgage) and have a fully funded emergency fund of 3–6 months of expenses. That frees you up to invest your income for retirement. Once you’re ready, take your annual household income before taxes and multiply by 15%. That’s your yearly goal—then divide by 12 for your monthly target.

Invest in Retirement Accounts

Now it’s time to put that 15% to work. Remember—your retirement accounts are just containers for the investments you choose. Think of them like buckets: The bucket itself isn’t what grows your money—the investments you put inside it do. The bucket simply gives you tax advantages and a place to hold those investments. Here’s the order we teach:

  • If you have a workplace 401(k) with a match:
    • Invest up to the match (always grab the free money).
    • Then put money into a Roth IRA.
    • If you've maxed out the IRA, go back to your 401(k) until you hit your full 15%.
  • If you don’t have a match—or you’re self-employed:
    • Start with a Roth IRA.
    • Then if you max out the IRA, use the account that fits your situation, like a 401(k), solo 401(k) or SEP-IRA.

Need help navigating your retirement plan? Talk to an investing pro. 

Choose Good Growth Stock Mutual Funds

Inside your accounts, pick good growth stock mutual funds with a long, proven track record—think decades, not months. Look for funds that consistently beat the market and steer clear of anything trendy, complicated or hyped up as the “next big thing.” Like we said before, spread your investments across four categories—growth, growth and income, aggressive growth, and international—to stay diversified and give your money room to run. Avoid single stocks, crypto and anything that sounds like a get-rich-quick scheme. Never invest in something you don’t understand.

Review and Adjust Regularly

Retirement investing isn’t a “set it and forget it” deal—check in once or twice a year to rebalance your funds, update your contributions, and make sure you’re still hitting your 15%. These small tune-ups keep your plan moving forward. Check out the Investment Calculator below to see what the long-term payoff could look like.

See How Your Money Can Grow

Curious what your investments might look like down the road? Use this calculator to run the numbers. Building your retirement is 80% behavior and 20% head knowledge—and this quick check gives you the insight you need to get started.

Enter Your Information

If you were born in 1960 or later, you can retire at age 67 with full benefits.

$

This should be the total of all your investment accounts, including 401(k)s, IRAs, mutual funds, etc.

$

This is the amount you invest each month. We recommend investing 15% of your paycheck.

%

This is the return your investment will generate over time. Historically, the 30-year return of the S&P 500 has been roughly 10–12%.1

Your Results

Estimated Retirement Savings

In 0 years, your investment could be worth:

$0

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  • Initial Balance

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    0% of Total

  • Contributions

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    0% of Total

  • Growth

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What if I...

  • Saved an extra $100 per month.

    Adds $100 a month in contributions, but creates

    $0

    in additional growth

  • Gave up daily coffee purchases.

    Adds $128 a month in contributions, but creates

    $0

    in additional growth

  • Gave up weekly restaurant visits.

    Adds $200 a month in contributions, but creates

    $0

    in additional growth

“Consistency
beats intensity when it comes to investing. Slow and steady wins the race.” — Dave Ramsey

Tips to Help You Retire With Dignity

Budgeting matters just as much in Baby Step 4 as it did when you were paying off debt. It keeps you focused, gives every dollar its marching orders, and helps you stick with your investing plan month after month. A good budget also protects your progress. It creates margin, keeps lifestyle creep from sneaking in, and frees up extra money you can throw toward your other money goals.

No matter what Baby Step you’re on, giving the first 10% of your income shapes your heart. It loosens your tightfisted grip on control and reminds you to open your hand and trust God. When you give regularly, you’re believing God can do more with your 90% than you could with 100%. And the best part? Your giving fuels your church or organization’s mission and meets real needs in your community.

Getting back into debt in Baby Step 4 is like calling your toxic ex—you know it’s a bad idea, and it wrecks your peace every time. Every dollar you send to payments and interest is a dollar not building your future. Debt is dumb! When you stay debt-free in Baby Step 4 (and forever), your hard-earned money can go to work building the future you’ve been dreaming about and changing your family tree. See you never, debt!

When you pull money from your 401(k) or IRA early, you get hit with taxes and a 10% penalty, and you cut off the compound growth that makes your money work for you. That’s years of potential gains gone in an instant. Borrowing from your retirement accounts isn’t any better—lose your job or fall behind, and you’ll owe penalties and taxes on top of that loan. Either way, your future self pays the price.

It’s tempting to panic and stop investing when the market drops, but that’s the worst time to stop. Stay the course and keep investing for long-term growth. The market has always recovered over the long haul. Stay consistent and keep investing—this is how long-term growth happens.

Find Your Baby Step

Not sure if Baby Step 4 is your step? Take the Get Started Assessment to find out exactly where you are—and receive your free custom money plan built just for you.

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How Does a 401(k) Work as a Retirement Investment Account?

Invest in Your Future With a SmartVestor Pro

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Dave Ramsey and George Kamel, Financial Experts

Frequently Asked Questions

Retirement isn’t about running away from a job you hate. If you’re miserable, the solution isn’t to dream about quitting someday—it’s to change the work you’re doing now.

Retirement also isn’t a life of sitting still. Dave tells the story of Harold Fisher, a 100-year-old architect who kept working because he loved it, not because he needed the money. That’s the real picture: reaching the point where your money works harder than you do and work becomes something you choose, not something you’re chained to.

Retirement also isn’t automatic or guaranteed. Most Americans aren’t prepared, and many don’t believe a secure retirement is even possible. But it is—if you have a plan and take action. Retirement is not an age; it’s a financial number. When you have enough money to live and give like no one else, you’re ready.

If you have access to an employer-sponsored retirement account like a 401(k), it can be as simple as setting up automatic contributions. You can choose to have a portion of each paycheck automatically invested in the funds of your choice.

Otherwise, you can set up an Individual Retirement Account (IRA). These are available at a variety of financial institutions and take about as long to set up as a bank account. You simply transfer money into your IRA and use it to invest in mutual funds from right inside your account.

Ramsey’s path to financial peace follows the 7 Baby Steps. We always recommend waiting to start investing until you’ve paid off all debt (except your mortgage) and have a fully funded emergency fund with 3–6 months of living expenses.

The sooner you can start investing, the more time your money will have to grow. But it’s never too late to start! We’ve seen plenty of people become successful investors later in life.

Let’s get one thing straight: The only “good debt” is paid-off debt. Your most powerful wealth-building tool is your income. And when you spend your whole paycheck sending loan payments to banks and credit card companies, you end up with less money to save and invest for your future. It’s time to break the cycle!

Trying to save and invest while you’re still in debt is like running a marathon with your feet chained together. Get debt out of your life first and build your 3–6-month emergency fund. This frees up your income to focus on your future—not your past.  

Your emergency fund (3–6 months of expenses) is your safety net. If you have to spend some of it on an emergency, your top priority is to restore it. So yes, you should pause all investing temporarily until your emergency fund is back to fully funded status. This isn’t forever—just long enough to get that cushion back in place. Once you’re fully funded again, jump right back into investing 15% of your income for retirement.

This protects you from having to go back into debt if another emergency hits. It’s all about financial security first, then building wealth.

We recommend investing 15% of your gross annual income (not your take-home pay) each year. For example, if you and your spouse bring in $100,000 annually, the goal would be to invest $15,000 a year.

If your employer offers a match, that’s awesome! But no, the money they put into your account doesn’t count toward your 15%.

When you invest 15% of your income, you’re investing enough to make good progress toward your retirement goals and still have money left for other money goals like saving for your kid's college (Baby Step 5) and paying off your home (Baby Step 6). 

Depending on your situation, you may want to use more than one type! As a general guideline, we recommend using the following formula to help you figure out which accounts to use:

Match beats Roth beats traditional.

If your employer offers a Roth 401(k) with a match of 4%, for example:

  • You could invest all 15% in that plan up to the Roth 401(k) limit if you like the investment options you have there.
  • If you reach the Roth 401(k) contribution limit before reaching 15% of your total income, you could invest the rest in a Roth IRA.
  • If you’re not eligible for a Roth IRA, consider a traditional IRA.

If your employer only offers a traditional 401(k) with a 4% match, for example:

  • Invest 4% in that plan to take advantage of the match.
  • Next, invest in a Roth IRA until you either hit 15% of your income or the contribution limit for your Roth IRA.
  • If you reach your Roth IRA contribution limit before reaching 15% of your total income, go back to your traditional 401(k) and increase your contributions until you reach 15% of your gross income or the 401(k) contribution limit.
  • If you meet all your contribution limits and still haven’t reached 15%, talk to an investment professional about other options.

If you don’t have access to an employer-sponsored retirement account:

  • There are several retirement plan options for small-business owners or self-employed individuals, such as SEP-IRAs, SIMPLE IRAs and solo 401(k)s—all of which come with a Roth option.
  • You could also make contributions into a separate Roth IRA if needed to hit 15%.

It depends on the type of account! For instance, if you want to set up an employer-sponsored account like a 401(k), your human resources (HR) department should be able to walk you through the process.

These days, you can open a Roth IRA or traditional IRA on the website of any major investment firm. As a general rule, we recommend working with an investment pro, who will be able to help you explore mutual funds and understand how different accounts could fit your needs.

We recommend investing evenly across four different categories of growth stock mutual funds:

  • Growth and income funds (large cap): These funds provide slow and steady growth by investing in large companies that are generally much more stable than smaller companies.
  • Growth funds (medium cap): These funds invest in medium-size companies, which have moderate growth and volatility. 
  • Aggressive growth funds (small cap): Also called emerging market funds, these funds are often the “wild child” of your portfolio. Usually invested in lots of start-ups with the potential for rapid growth, you could easily see big gains over one stretch of time and equally big losses in the next.
  • International funds: Made up of companies from around the world, international funds help you further diversify your money by investing outside of the U.S.
  • Crypto: It’s extremely volatile and unpredictable, with prices swinging wildly based on speculation and hype. There’s no proven track record, and people have lost tons of money in it. Crypto isn’t regulated, and it’s vulnerable to scams and theft. It’s more like gambling than investing.
  • Single stocks: These are risky because your money is riding on the success or failure of one company. If that company stumbles—even just for a season—you can lose a big chunk of your investment. It’s like betting on one horse in a race, instead of owning the whole field.
  • Commodities (like gold, silver or oil): These are unpredictable. Their prices swing wildly based on news, global events and investor emotion. They don’t produce income, and over time, they don’t build wealth like diversified mutual funds do.
  • Gambling high-risk ventures:
    • Day trading (rapidly buying and selling stocks, hoping for quick profits)
    • Margin trading (investing with borrowed money)
    • Investing in unproven start-ups without research

Instead, focus on time-tested investments—like good growth stock mutual funds—that have a long history of building wealth for investors. That’s how you minimize risk and grow your money for the long haul.

If you’ve got a unique question about saving for retirement or working the Baby Steps, try our Ask Ramsey tool, powered by Ramsey AI. And to keep your momentum during Baby Step 4, stay on track with your EveryDollar budget every month.

The content on this page provides general guidelines about investing topics. Your situation may be unique. To discuss a plan for your situation, connect with an investment professional.