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Top 10 Overlooked Tax Deductions You Might Be Missing

Dec. 8, 2025 · 3 min read

Tax season often brings stress and confusion, especially when it comes to finding every deduction you qualify for. Many taxpayers leave money on the table simply because they overlook common deductions. Knowing which deductions you might be missing can save you hundreds or even thousands of dollars. This post highlights ten often-overlooked tax deductions that could reduce your tax bill significantly.

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1. Medical Expenses Beyond Insurance

Many people assume medical expenses are too high to deduct or forget to track smaller costs. You can deduct unreimbursed medical expenses that exceed 7.5% of your adjusted gross income (AGI). This includes:

For example, if your AGI is $50,000, only medical expenses above $3,750 qualify. Keep detailed receipts and records throughout the year.

2. State Sales Tax Instead of Income Tax

Taxpayers can choose to deduct either state income tax or state sales tax, but not both. If you live in a state without income tax or made large purchases like a car or boat, deducting sales tax might save more money. The IRS provides tables to estimate sales tax based on your income and location, plus you can add actual sales tax paid on big-ticket items.

3. Job Search Expenses

If you looked for a new job in the same field during the tax year, you might deduct related expenses. These include:

Keep in mind, this deduction does not apply if you are searching for your first job or changing careers.

4. Home Office Deduction

Many self-employed people miss this deduction because they don’t realize their workspace qualifies. To claim it, your home office must be used regularly and exclusively for business. You can deduct a portion of:

The IRS offers a simplified option allowing $5 per square foot up to 300 square feet, making it easier to calculate.

5. Educator Expenses

Teachers and eligible educators can deduct up to $300 spent on classroom supplies without itemizing. This includes books, software, and other materials used in the classroom. This deduction is often overlooked by educators who assume it only applies to college tuition or formal education.

6. Charitable Contributions Beyond Cash

Donations of clothing, household items, and even vehicles can be deducted if given to qualified organizations. Keep detailed records and get receipts for non-cash donations. For example, donating a used car can provide a deduction equal to the vehicle’s fair market value or the amount the charity sells it for.

7. Student Loan Interest Paid by Parents

If parents pay back a child’s student loans, the IRS treats the payment as if the child received the money and paid the loan themselves. This means the child may be eligible to deduct up to $2,500 in student loan interest, even if they did not make the payments directly.

8. Moving Expenses for Military Members

While most taxpayers cannot deduct moving expenses, active-duty military members moving due to a military order can. This includes costs for transportation and storage of household goods. Keep all receipts and documentation related to the move.

9. Investment Fees and Expenses

Some investment-related expenses are deductible if you itemize. These include fees paid to financial advisors, safe deposit box rentals for investment documents, and subscriptions to investment publications. These costs can add up and reduce your taxable income.

10. Casualty and Theft Losses in Federally Declared Disaster Areas

If your property was damaged or stolen due to a federally declared disaster, you might qualify for a deduction. This includes losses from hurricanes, wildfires, floods, and other disasters. The deduction applies only to losses not covered by insurance.

Have a question about your situation?

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This article is for general information only and is not tax or legal advice for your specific situation.

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