Sometimes the most expensive tax mistakes aren't the big ones — they're the small details we overlook. A misplaced receipt. A charitable gift we forgot to write down. A deduction we assumed we didn't qualify for because it "didn't seem like much."

But those small details can add up, especially as the year winds down and we start gathering documents for tax season. And in a landscape shaped by new legislation and evolving IRS rules, even the familiar deductions deserve a second look.

As we head toward the end of 2025, this is a good moment to slow down, get organized, and revisit the tax deductions many people forget — not because they're complicated, but because life gets busy.

Below are some commonly missed areas. None of them may apply to everyone, but reviewing them can help you feel more prepared as you close out the year and begin looking ahead.

Medical Expenses You Might Not Have Counted

Medical deductions can be tricky, mainly because the threshold is high and not everyone itemizes. But even when people do qualify, it's easy to forget expenses that absolutely count.

A few commonly missed examples include:

• Mileage for medical appointments — Many people only track the cost of the appointment itself, but mileage driven for medical reasons is something taxpayers often don't think about.
• Travel for specialized care — If you had to travel to see a specialist or receive treatment, certain transportation costs may be deductible.
• Medical equipment or supplies purchased out of pocket — Even smaller purchases — crutches, blood pressure cuffs, diabetic supplies — can be overlooked.
• Premiums in specific situations — For some taxpayers who are self-employed, health insurance premiums may factor differently than expected.

Again, these don't apply to everyone, but they're worth reviewing if you itemize.

Charitable Contributions Beyond the Big Gifts

People tend to remember their major charitable donations — the Christmas charity drive, a donation to a church, or a fundraiser that sent them a receipt.

But throughout the year, many families give in ways that are meaningful but easy to forget:

• Dropping off clothing or household goods
• Donating to school events or community programs
• Contributing to local fundraisers online
• Purchasing items for charity drives (school supplies, blankets, canned goods)

Non-cash donations are frequently missed because they feel small at the moment you give them. But like everything else in tax planning, consistency matters.

The IRS requires proper documentation for charitable gifts, so having a simple system — even a folder on your phone for receipts — can make this area easier to track.

Education-Related Items People Miss

Students and parents often leave money on the table simply because they assume their expenses aren't deductible or that they made too little or too much to qualify.

A few overlooked areas include:

• Interest on qualified student loans (when income limits allow)
• Required books or supplies that might not have been billed directly by the school
• Certain fees tied to enrollment or coursework

These may seem small individually, but together they can lighten the load when preparing for tax season.

Job-Related Expenses for Certain Professions

Most employees can no longer deduct unreimbursed work expenses, but there are still professions where job-related costs may qualify under specific rules.

These might include:

• Tools or supplies required for work
• Uniforms or protective gear
• Professional dues or licensing fees
• Some travel or mileage not reimbursed by an employer

These deductions are highly situational. They depend on the type of employment and IRS definitions, not on general eligibility. But they're worth revisiting if you work in a field with very specific requirements.

Home-Related Costs Many People Miss

Not everyone owns a home, and not every homeowner itemizes, but for those who do, a handful of deductible expenses often hide in routine paperwork.

Some examples include:

• Points paid on a mortgage in certain refinancing situations
• Property taxes (subject to overall limitations)
• Mortgage interest properly reported
• Energy-efficient upgrades that may qualify under specific programs

The details depend heavily on the year's tax law, the type of improvement, and whether it meets IRS criteria. But if you invested in your home in 2025, it's worth keeping the paperwork close.

Self-Employment Deductions People Forget

Self-employment creates some of the most commonly overlooked deductions — not because they're complicated, but because they happen in the rhythm of daily life.

Examples include:

• A portion of home internet costs
• Subscriptions tied to the business
• Office supplies
• Professional development
• Certain equipment purchases
• Mileage used for business purposes
• Retirement contributions made as a self-employed individual

Many small-business owners simply get busy and forget to track these items, especially early in the year when taxes feel far away.

Final Thought

For most people, tax season isn't about chasing every possible deduction — it's about making sure nothing gets overlooked simply because life moved fast.

A few minutes of review now can make next year's filing process smoother, more organized, and less stressful. And while every situation is different, staying aware of the deductions people commonly forget is a simple way to stay informed.

If you have questions about how these items interact with your overall financial picture, connecting with a qualified tax professional can help you understand what applies to your unique circumstances.

Written and shared by Anthony Owens, on behalf of the team at McKee Financial Resources, Wealth Management Services.