"How Freelancers and Side Hustlers Should Handle Taxes"

You drove for DoorDash. You freelanced on Upwork. You sold designs on Etsy. You picked up a few consulting gigs. Whatever the hustle — congrats, you made extra money. Now here's the part nobody told you about: the IRS wants their cut, and it's more than you think.

Most side hustlers find out the hard way. They file their taxes in April, and instead of the refund they're used to, they owe $2,000. Sometimes more. The reason is simple: nobody withheld taxes from that income. Your W-2 job handles withholding for you. Self-employment income doesn't. (If you're still in the "should I start a side hustle?" phase, this guide covers how to build one that's actually worth your time.)

How Is Self-Employment Income Taxed Differently?

When you work a regular W-2 job, your employer splits payroll taxes with you. They pay half, you pay half, and it's all handled before your paycheck hits your bank account. You never think about it.

When you're self-employed — even if it's just a side gig — you're both the employer and the employee. That means you pay both halves. And nobody withholds anything automatically. Every dollar hits your account untouched, which feels great until tax time.

Self-employment income gets hit with two layers of tax:

Regular federal and state income tax at your normal marginal rate (whatever tax bracket your total income puts you in)
Self-employment tax — an additional 15.3% that covers Social Security and Medicare

That second one is what blindsides people. It exists regardless of your income level, and it applies to every dollar of net self-employment profit.

What Is Self-Employment Tax and How Much Is It?

Self-employment tax is 15.3% of your net self-employment earnings. It breaks down to 12.4% for Social Security (on the first $168,600 of combined wages and self-employment income in 2025) and 2.9% for Medicare (no income cap).

When you work a W-2 job, you only pay half — 7.65% — and your employer covers the rest. When you're self-employed, you pay the full 15.3%. The IRS does let you deduct half of it on your tax return, which softens the blow slightly, but the cash still leaves your pocket.

What this looks like in practice: You earn $10,000 from freelancing. After deducting business expenses, your net profit is $8,000. Self-employment tax alone is roughly $1,130 (15.3% of 92.35% of $8,000 — the 92.35% is another small adjustment the IRS gives you). On top of that, you owe regular income tax on that $8,000 at your marginal rate. If you're in the 22% bracket, that's another $1,760 in federal income tax.

Total federal tax on $8,000 of side income: roughly $2,890. That's about 36% — a lot more than the ~22% most people mentally budget. The Budget Calculator can help you factor this into your monthly spending plan so you're not caught off guard.

Do You Need to Make Quarterly Tax Payments?

If you expect to owe $1,000 or more in taxes for the year from income that doesn't have withholding, the IRS expects you to pay estimated taxes quarterly. Miss these payments and you'll face an underpayment penalty on top of what you already owe.

The quarterly deadlines:

Q1 (Jan-Mar income): Due April 15
Q2 (Apr-May income): Due June 15
Q3 (Jun-Aug income): Due September 15
Q4 (Sep-Dec income): Due January 15 of the following year

How to estimate your payments: The simplest method is the "safe harbor" rule — pay at least 100% of last year's total tax liability spread across four equal payments (110% if your AGI was over $150,000). If you do this, you won't owe a penalty even if you end up owing more in April. Alternatively, you can estimate your actual quarterly income and pay 25-30% of each quarter's net profit.

Where to pay: Use IRS Direct Pay (irs.gov/payments) or send Form 1040-ES. Keep records of every payment — you'll need them when you file your annual return.

If you're earning enough from self-employment to worry about quarterly payments, you should also understand how tax-advantaged accounts can reduce your taxable income — a SEP IRA or Solo 401(k) lets you shelter a significant chunk of self-employment earnings.

What Expenses Can Freelancers and Side Hustlers Deduct?

This is the upside. You get to subtract legitimate business expenses from your income before calculating taxes. Lower net profit = lower tax bill. The key word is legitimate — the expense needs to be ordinary and necessary for your business.

Common deductible expenses:

Home office: If you use a dedicated space regularly and exclusively for work, you can deduct it. The simplified method lets you deduct $5 per square foot, up to 300 square feet ($1,500 max). The actual-expense method calculates the percentage of your home used for business and applies it to rent, utilities, and insurance.
Equipment and supplies: Laptop, camera, microphone, printer, desk, chair — anything you bought specifically for your business. Items over $2,500 may need to be depreciated rather than deducted all at once.
Software and subscriptions: Adobe Creative Cloud, Canva, accounting software, project management tools, cloud storage, website hosting.
Mileage: If you drive for business (delivery, client meetings, not commuting to a W-2 job), you can deduct $0.70 per mile for 2025. Track every trip — use an app like Everlance or MileIQ.
Internet and phone: The percentage you use for business. If your phone is 40% business use, deduct 40% of your monthly bill.
Professional development: Courses, books, conferences, certifications related to your business.
Marketing: Website costs, business cards, advertising, social media tools.
Health insurance premiums: If you're self-employed and not eligible for an employer plan, you can deduct 100% of your health insurance premiums as an adjustment to income.

What you can't deduct: Personal expenses you're trying to claim as business expenses. The IRS isn't fooled by "business lunches" that are actually dinner with friends. Be honest and keep receipts. An audit isn't fun.

How Should You Track Your Income and Expenses?

The single most important thing you can do for your side hustle taxes is keep your business money separate from your personal money. This isn't legally required (unless you're an LLC or corporation), but it makes everything — tracking, deductions, and filing — dramatically easier.

Open a separate checking account for your business income. Every payment from clients, platforms, or customers goes in. Every business expense comes out. At tax time, you have a clean record instead of sorting through 12 months of mixed transactions.

Track expenses in real time. Don't try to reconstruct a year of spending in April. Use a simple spreadsheet, a free tool like Wave, or a paid tool like QuickBooks Self-Employed. The method matters less than the consistency. Snap photos of receipts when you get them — paper receipts fade, and the IRS accepts digital copies.

Save your 1099s. Any client or platform that pays you $600 or more will send a 1099-NEC (or 1099-K for payment platforms). But remember — you owe taxes on all self-employment income, even amounts under $600 that don't trigger a 1099. The IRS may not get a form, but the income is still taxable.

Set aside money for taxes as you earn it. A good rule of thumb: transfer 25-30% of every payment you receive into a separate savings account earmarked for taxes. Don't touch it. When quarterly payments or April come around, the money's already there. This is the habit that prevents the $2,000 surprise.

For the full picture on how filing works, especially if this is your first year with self-employment income, check out The Complete Guide to Filing Your Taxes for the First Time.

Should You Form an LLC for Your Side Hustle?

Short answer: probably not yet. Longer answer: it depends on what you think an LLC does.

What an LLC does: It creates a legal separation between you and your business. If your business gets sued or takes on debt, your personal assets (car, savings, house) are generally protected. That's the liability protection, and it's the primary reason LLCs exist.

What an LLC does NOT do: Change your taxes. A single-member LLC is a "disregarded entity" for tax purposes — the IRS treats it exactly the same as a sole proprietorship. You still file a Schedule C. You still pay self-employment tax. You still make quarterly payments. The LLC doesn't give you a tax advantage.

When an LLC starts making sense:

Your side hustle has meaningful liability risk (you're providing services where something could go wrong — consulting, event planning, construction)
You're earning enough that clients or contracts require it
You want to open a business bank account or establish business credit
You're planning to scale beyond a side gig into a real business

When it doesn't matter: You're selling crafts on Etsy, freelance writing, tutoring, or driving for a gig platform. The liability risk is low, and the $50-$500 annual filing fees (depending on your state) aren't worth it for the protection you're getting.

If your side income is growing into real money, the guide to tax-advantaged accounts covers self-employed retirement options like SEP IRAs and Solo 401(k)s that can meaningfully reduce your tax bill. Those accounts matter far more than your business structure for most side hustlers.

What's the Bottom Line?

Self-employment income is taxed harder than W-2 income because nobody's splitting payroll taxes with you. That 15.3% self-employment tax on top of regular income tax means roughly 30-40% of your side hustle profit goes to the government — unless you're strategic about deductions and tax-advantaged accounts.

The moves that matter: separate your business money from personal money, track every deductible expense, set aside 25-30% of every payment for taxes, and make quarterly estimated payments so you don't get hit with penalties. None of this is complicated. It just requires building the habits before April.

Your side hustle is worth it — the math still works, even after taxes. You just need to plan for the tax bill instead of pretending it doesn't exist.

For a deeper look at how different accounts can reduce your tax burden, check out our free Tax-Advantaged Accounts Cheat Sheet — it covers everything from Roth IRAs to HSAs to self-employed retirement plans.