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Finances & Money

7 Costly Mistakes in Your 20s That Can Crush Your Millionaire Dreams

February 11, 2025
By Drew Blankenship
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When it comes to building wealth, the sooner you start the better. Many people wind up making costly mistakes in their 20s that could have been avoided. Trust me, I speak from experience, and these mistakes can set you back for years. Taking the time to understand these pitfalls early on can help you dodge these mistakes and secure your financial future. So, let’s take a look at seven common things people in their 20s do that mess up their millionaire dreams.

1. Ignoring Budgeting and Overspending

Who needs a budget? When I was in my 20s, budgeting was the last thing on my mind. I lived paycheck to paycheck, even though I made decent money. I rarely went without anything I wanted, but then when it came time to pay bills or an emergency popped up, I was sh*t out of luck (SOL). Looking back, there were so many unnecessary things I spent money on. For folks in their 20s today, there are endless ways to stay on top of your budget. Check out this comprehensive list of budgeting apps.

2. Delaying Investing and Saving

I’ll be honest. I’ve still not started investing, but we did start funding our emergency fund when we got married. Having some money stashed away can make a huge difference and you’re never too young to start. Pick an amount (or percentage) from your pay that you are comfortable with and commit to saving that amount. Don’t put it off! The same can be said of investing. You may think you have plenty of time, but compound interest works best when you start as early as possible. Even the smallest contributions to a retirement or brokerage account can grow exponentially.

3. Accumulating High-Interest Debt

Credit card debt can quickly spiral out of control if not managed properly. Many young adults use credit cards irresponsibly, leading to high-interest payments. Paying only the minimum amount can keep you trapped in debt for years. Prioritize paying off high-interest debt as soon as possible. Consider using the snowball or avalanche method to tackle multiple debts.

4. Neglecting an Emergency Fund

Unexpected expenses can derail financial stability if you’re not prepared. Many in their 20s rely on credit cards instead of having emergency savings. Without a financial cushion, a job loss or medical emergency can lead to debt. Aim to save at least three to six months’ worth of expenses. Setting up automatic transfers to a high-yield savings account can help build this fund.

5. Failing to Build Multiple Income Streams

Relying solely on a single source of income limits financial growth. Many young professionals overlook side hustles, freelancing, or passive income opportunities. Diversifying income streams helps build wealth faster and provides financial security. Consider investing in stocks, real estate, or starting a small business. The earlier you start, the more time you have to grow additional income sources.

6. Not Taking Advantage of Employer Benefits

Many employers offer benefits that can boost financial well-being, yet young workers often ignore them. Failing to contribute to a 401(k) with an employer match is leaving free money on the table. Health savings accounts (HSAs) and stock options can also provide financial advantages. Always review your benefits package and take full advantage of what’s offered. Every contribution counts!

7. Ignoring Financial Education

Many young adults don’t take the time to learn about personal finance. Without financial literacy, it’s easy to make costly mistakes that hinder wealth-building. Reading books, following financial experts, and taking online courses can provide valuable knowledge. Understanding taxes, investments, and savings strategies can help maximize earnings.

Secure Your Financial Future by Avoiding These Mistakes

If I could go back in time, there is no doubt that I’d do some things differently. Your 20s can be a crucial time for setting the foundation for your financial success. Your millionaire dreams could come true, but you’ll need to put in the footwork early. Learn what you can and have your financial goals at the back of your mind always. If it doesn’t further your goals, don’t do it.

Read More

9 Financial Habits of Self-Made Millionaires

The Speedy Millionaire: 20 Fast and Furious Ways to Build Wealth

Photograph of Drew Blankenship District Media Writer

About Drew Blankenship

Drew Blankenship is a former Porsche technician who writes and develops content full-time. He lives in North Carolina, where he enjoys spending time with his wife and two children. While Drew no longer gets his hands dirty modifying Porsches, he still loves motorsport and avidly watches Formula 1.

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