NIL Tax Mistakes Student-Athletes Make and How to Avoid Them

Most NIL tax problems aren't complicated in nature. They come from a lack of preparation and a basic misunderstanding of tax obligations.

The IRS treats NIL income as business income, meaning student-athletes are responsible for reporting it, paying quarterly estimated taxes, and keeping proper documentation. Without guidance, those mistakes can cost thousands in penalties, interest, and missed deductions.

Not Understanding That NIL Income Is Taxable

One of the biggest misconceptions is that NIL money doesn't need to be reported. In reality, all NIL income is taxable, including cash payments, free products, services, or perks, and even small deals where no tax form is issued. Even if a deal pays you $200 in cash or gives you $500 worth of free gear, that income must be reported, and taxes must be paid.

Not Setting Aside Money for Taxes

Unlike traditional jobs, NIL earnings typically do not have taxes withheld upfront. This leads many athletes to spend their full earnings without realizing they owe taxes later. Some athletes end up owing thousands of dollars unexpectedly when tax season arrives. A good rule of thumb is reserving 20 to 40% of NIL income for taxes, depending on your total income level and state.

Missing Quarterly Estimated Tax Payments

Since NIL income counts as self-employment income, athletes are expected to make quarterly estimated tax payments. The IRS sets those deadlines four times a year, usually in April, June, September, and January. Skipping a once-a-year payment can result in penalties and interest, and plenty of first-time earners only learn about this after the fact.

Ignoring Self-Employment Tax

NIL income doesn't just create an income tax obligation. It also triggers self-employment tax covering Social Security and Medicare, which many athletes aren't aware of. Together, these can push total tax liability significantly higher than what income tax brackets alone would lead you to expect.

Failing to Track Income Properly

Poor recordkeeping creates more NIL tax problems than almost anything else. The most common issues include:

• Failing to track all deals and payments received
• Missing smaller payments that are still considered taxable income
• No documentation connecting income to its sources
• Mismatches with the 1099 forms brands have issued

This leads to underreported income, IRS audits, and penalties. The IRS receives copies of 1099 forms that brands send you, so discrepancies trigger automated notices.

Mixing Personal and NIL Finances

Many student-athletes deposit NIL income into personal accounts and mix business and personal expenses. This creates confusion during tax filing, difficulty identifying deductible business expenses, and increased audit risk. Opening a separate account for NIL income makes tax preparation easier and creates clear documentation.

Missing Valuable Tax Deductions

Failing to claim legitimate business expenses is one of the most common ways athletes end up overpaying taxes. Deductible expenses that frequently go unclaimed include:

• Travel for appearances and brand events
• Content creation equipment, like cameras and lighting
• Marketing costs, including website and social media tools
• Agent or platform fees
• Professional services like legal and accounting fees

Skipping these deductions drives taxable income higher than it needs to be. Paying taxes on $10,000 gross versus $7,000 net after deductions is a difference that can add up to hundreds or thousands of dollars.

Not Reporting Non-Cash Compensation

Just because something is free doesn't mean it's tax-free. Free gear and apparel, hotel stays, travel, event tickets, and sponsored meals all count as taxable income and need to be reported at fair market value. A $2,000 product haul from a brand is $2,000 of income, whether you received cash or not.

Overlooking Multi-State Tax Obligations

NIL activities that cross state lines can require filing tax returns in multiple states and allocating income correctly. If you go to school in one state, have NIL deals in another, and live in a third, you may need to file returns in all three. Failing to do so can lead to penalties or double taxation.

Filing Late or Not Filing at All

First-time taxpayers often miss deadlines, file incomplete returns, or skip filing altogether, and many NIL earners fall into that category. Late fees, interest on unpaid taxes, and potential audits can all follow. One widespread misconception is that filing an extension gives you more time to pay. That's not how it works. Taxes are due on the original date regardless, and failing to pay results in penalties.

Choosing the Wrong Business Structure

Forming an LLC or S-corp without understanding the tax implications or compliance requirements is a mistake some athletes make. Improper setup can result in higher taxes, compliance headaches, and IRS attention. Professional guidance is essential to make sure the structure genuinely helps your situation.

Not Seeking Professional Help Early

NIL taxes bring together self-employment rules, multi-state filing obligations, business deductions, and compliance issues all at once. Without a CPA or tax professional who understands NIL, mistakes compound quickly. The cost of waiting until something goes wrong is almost always higher than the cost of getting ahead of it.

Avoid Tax Mistakes with Southeast Athlete Advisory

Most student-athletes haven't faced the kind of tax obligations NIL income creates. Our network of tax professionals who understand NIL ensures income gets reported correctly, deductions are maximized, quarterly deadlines are met, and penalties that reduce your earnings are avoided. Reach out to Southeast Athlete Advisory to find the right advisor for your situation.