Gen Z's Biggest Money Mistakes (Plus, Small Wins That Fix Them)
It's all too easy to fall into bad money habits in your 20s that can set you back for decades. Here are five mistakes to avoid — and the good habits to form instead.
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Your 20s are full of firsts. First real paycheck. First apartment. First time realizing groceries cost more than you thought.
It's exciting, but it's also when small money choices start to snowball. The money habits you build now can set you up for decades. Or they can follow you around like that receipt you keep meaning to deal with.
Plenty of smart people stumble on the same things: No budget, ignoring savings, assuming insurance can wait and skipping credit-building. The good news is that each one has a simple fix.
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Let's walk through five common money mistakes to avoid in your 20s and what to do instead.
Mistake No. 1: Not having a budget
A budget is just a plan for your money. Not a punishment and not a financial diet. Just a way to tell your dollars where to go before they wander off.
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In your 20s, it's easy to skip budgeting because your income feels unpredictable and your expenses are still settling. And it seems like something you'll figure out later.
But getting started is easy:
- Use the 50/30/20 framework. Start by splitting your money into three pots (50% needs, 30% wants and 20% savings and debt payoff), then adjust as needed.
- Track the big rocks, not every grain of sand. Consider rent, transportation, utilities, groceries, debt and savings. If those are aligned, the small stuff won't sink you.
- Automate saving and bill payments. That way, your plan runs even on busy weeks.
- Use digital budgeting tools, such as You Need a Budget (YNAB), Monarch, Rocket Money or a simple spreadsheet.
The Consumer Financial Protection Bureau (CFPB) has free budgeting resources that are clear and practical. And remember, your credit score matters. Payment history and amounts owed (including your credit utilization) are big parts of your score, as FICO outlines.
Mistake No. 2: Ignoring emergency savings
An emergency fund is a cash cushion for actual emergencies. Think of unexpected car repairs, house maintenance requests, medical bills or lost income. It protects the rest of your plan, so you don't reach for a high-interest credit card at the worst possible time.
The CFPB encourages an emergency fund approach. And the general rule of thumb is to build three to six months of essential expenses. This is how to get started:
- Open a separate high-yield savings account. That way, the money isn't mixed with spending cash.
- Set up an automatic transfer on payday. Even if it's $25, this can make a difference.
- Funnel windfalls. Think of tax refunds and bonuses you put straight into your fund.
- Keep it boring. This isn't an investment account. Safety and quick access matter most.
Jeffrey Zhou, CEO and founder of Fig Loans, recommends the "1-3-6 method" for building an emergency fund. This approach entails starting with one month's worth of expenses, then gradually increasing savings to cover expenditures for three to six months.
Though he provides personal loans to those who need short-term support, Zhou emphasizes the importance of financial preparation. "An emergency fund gives you options when life throws something unexpected your way.
"Even starting with a small cushion can help you avoid high-interest debt and make better financial decisions under pressure. The goal is to gain progress and have peace of mind."
Mistake No. 3: Skipping insurance
Insurance feels optional when you're healthy and everything works. But one cracked bumper can upend your budget.
And while serious accidents can carry financial consequences long after the initial hospital visit, thanks to the cost of ongoing medical care, rehabilitation and lost income, even a minor injury can be expensive out of pocket.
The following is vital:
- Health insurance. Medical debt touches tens of millions of people in the U.S. Having health insurance matters now more than ever.
- Auto insurance. Legally required in most states. Shop around annually. Bundling and good-driver discounts can help reduce the cost of auto insurance.
- Renter's insurance. Covers your rental belongings and property liability and can be inexpensive. The Insurance Information Institute notes that the average annual cost of renter's insurance is typically well under a few hundred dollars.
In general, aim to get coverage high enough to keep a bad day from becoming a bad decade.
Mistake No. 4: Delaying retirement savings
Retirement feels far away in your 20s, but that's exactly why starting now matters. Time does the heavy lifting through compound growth. Every dollar you invest now works for 40-plus years.
If you like visuals, the SEC's compound interest explainer and calculator are great for playing with scenarios.
How to start:
- 401(k) or 403(b). If your employer offers a 401(k) or 403(b) with a match, contribute at least enough to capture the full match.
- Roth IRA. If you don't have a workplace plan, open an IRA. A Roth IRA can be especially useful in your 20s if you expect a higher income later, subject to IRS income rules.
Make sure to automate contributions. Then increase them by 1% each year, or whenever you get a raise.
Looking for expert tips to grow and preserve your wealth? Sign up for Adviser Intel, our free, twice-weekly newsletter.
Mistake No. 5: Neglecting to build credit
Your credit score shows up when you rent an apartment, finance a car, qualify for insurance rates, or pay the bills. Building credit in your 20s puts you on an easier footing later.
These are the key habits to adopt now:
- Pay on time, every time. Payment history is the single biggest factor in your score.
- Keep credit utilization low. Ideally, it should be under 30%, but lower is better. If your limit is $1,000, try to keep balances under $300.
- Start with one starter card or a secured card. You could even ask to become an authorized user on a card belonging to someone with great spending habits.
- Set up autopay for the statement balance. That way, you never pay interest.
Check your credit reports regularly to spot errors or fraud early. You can request free credit reports at AnnualCreditReport.com. Many banks and card issuers also offer free score monitoring in their apps.
Small wins
Your 20s aren't a test you have to ace. Get a basic budget in place. Build a small emergency cushion and grow it over time. Use insurance to guard the progress you're making. Start retirement contributions, even if they're tiny. And build credit with boring, consistent habits.
Pick one action you can take this week: Set up a $25 automatic transfer to savings, increase your 401(k) by 1% or check your credit reports.
Then stack another one on top next month. Ultimately, small, steady steps beat big, unsustainable pushes every time.
Related Content
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- Looking for a Financial Book That Won't Put Your Young Adult to Sleep? This One Makes 'Cents'
Profit and prosper with the best of Kiplinger's advice on investing, taxes, retirement, personal finance and much more. Delivered daily. Enter your email in the box and click Sign Me Up.

David Abraham is a tech lawyer with extensive experience in artificial intelligence, financial technology, human rights law and digital marketing. His work has appeared on Clutch and Benzinga. David is passionate about making complex issues clear and actionable for readers.