10 Money Moves You Must Make Before December 31

The end of the year is one of the most powerful moments to improve your financial life. A few intentional moves before December 31 can lower your tax bill, strengthen your savings, and set you up for a smoother year ahead. You don’t need a full financial overhaul—just a focused checklist and a little follow-through. These ten end-of-year financial tasks help you clean up loose ends, capture missed opportunities, and enter the new year with clarity and momentum.

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1. Harvest Tax Losses or Gains

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Tax-loss and tax-gain harvesting involves selling investments strategically to reduce your tax bill. If you have investments that are down, selling them can offset capital gains from winners and even reduce taxable income. On the flip side, if you’re in a low tax bracket this year, intentionally realizing gains can lock in favorable tax rates. This strategy works in taxable brokerage accounts and must be completed before December 31. Always watch for wash sale rules and consider coordinating with a tax professional to avoid mistakes.

2. Organize Tax Documents

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Gathering tax documents before year-end saves time, stress, and costly errors later. Collect income records, donation receipts, medical expenses, property tax statements, and investment confirmations. If you’re self-employed, organize mileage logs and business expenses now instead of scrambling in April. Create a digital folder labeled by category or year so everything is easy to access. Reviewing documents early also helps you spot missing paperwork or deductions you may have overlooked, giving you time to track them down before tax season hits.

3. Max Out Retirement Contributions

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Contributing more to retirement accounts is one of the most effective ways to reduce taxable income and build long-term wealth. Review how close you are to annual limits for 401(k)s, IRAs, Roth IRAs, or HSAs and increase contributions if possible. Even small increases can add up significantly over time. Employer-sponsored plans often allow last-minute contribution adjustments, while IRAs can be funded through tax filing deadlines. 

4. Automate Savings Increases

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Automating savings increases is a simple way to improve your finances without relying on willpower. Before the year ends, schedule automatic transfers to begin in January, especially after expected raises or cost-of-living adjustments. Even a 1–2% increase can have a meaningful long-term impact. Automation removes decision fatigue and ensures savings happens consistently. This strategy works well for emergency funds, sinking funds, and retirement contributions. By setting it up now, you start the new year already moving forward financially.

5. Review Insurance Coverage

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Your insurance needs change over time, and year-end is a smart moment to review coverage. Check health, auto, home, renters, life, and disability policies to ensure coverage levels still match your situation. Major life changes, such as marriage, children, home purchases, or income shifts, often require updates. Look for gaps, overlapping coverage, or opportunities to save by adjusting deductibles or bundling policies. Reviewing insurance annually helps protect your finances from unexpected losses while avoiding overpaying for coverage you no longer need.

6. Use Up FSA Funds

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Flexible Spending Accounts often operate on a “use it or lose it” basis, meaning unused funds may expire at year-end. Review your balance and eligible expenses now to avoid leaving money behind. Common qualifying purchases include prescriptions, glasses, contacts, medical supplies, and certain over-the-counter items. Some plans offer grace periods or limited rollovers, but not all do. Spending FSA funds before December 31 ensures you receive the full benefit of pre-tax dollars you already set aside.

7. Make Charitable Donations

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Charitable giving before year-end can support causes you care about while potentially reducing your tax bill. Donations must be completed by December 31 to count for the current tax year. Cash gifts, donor-advised funds, and appreciated assets all offer different tax benefits. Be sure to keep receipts and acknowledgment letters for your records. Planning donations strategically can help maximize deductions, align giving with your values, and create a more intentional approach to generosity.

8. Review Financial Goals From This Year

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Before setting new goals, take time to reflect on the ones you set this year. Which goals did you meet? Which ones stalled—and why? Reviewing progress helps identify patterns, obstacles, and habits that either helped or hindered you. This reflection isn’t about guilt; it’s about insight. Understanding what worked gives you a stronger foundation for future planning. Honest evaluation makes next year’s goals more realistic, achievable, and aligned with how you actually manage money.

9. Set 3–5 Financial Goals for Next Year

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Fewer goals often lead to better results. Choose three to five specific financial goals that matter most and write them down. Make them measurable, time-bound, and realistic based on your income and obligations. Examples include paying off a credit card, building a three-month emergency fund, or increasing retirement contributions. Clear priorities prevent overwhelm and decision fatigue. When your goals are defined, it becomes easier to align spending, saving, and financial decisions throughout the year.

10. Update Your Net Worth Statement

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Your net worth is one of the clearest snapshots of your financial health. List all assets—cash, investments, property—and subtract liabilities like loans and credit cards. Updating this annually helps you track progress beyond monthly budgeting. Even if the number feels uncomfortable, awareness is powerful. Comparing year-over-year changes shows whether your financial decisions are moving you forward. This simple exercise provides clarity, motivation, and a strong starting point for setting next year’s financial goals.

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