Millions of Americans who drove, delivered, or freelanced on the side last year are now discovering that the money they set aside isn't going to cover what they owe.
It's a paperwork problem that many new gig workers don't see coming until their return is already filed.
Unlike a regular job, no one is withholding taxes from your DoorDash, Uber, or Etsy payout.
That means the full 15.3% self-employment tax for Social Security and Medicare lands on you, plus federal and often state income tax on top.
A worker who cleared $20,000 in gig income could owe north of $3,000 before a single deduction.
If you earned $600 or more from a single platform, you'll likely get a 1099-NEC or 1099-K instead of a W-2.
That form reports gross earnings, not profit, so it can look far bigger than what actually hit your bank account after gas, mileage, and fees.
The good news is that mileage is your best friend.
For the 2024 tax year, the standard mileage rate was 67 cents per mile, and for 2025 it's 70 cents.
If you drove 12,000 miles for deliveries, that's roughly $8,000 in deductions before you even count phone bills, insulated bags, or the portion of your rent used for a home office.
Here's where people get burned: they take the standard deduction and assume that covers everything.
Others skip quarterly payments all year, then face an underpayment penalty on top of the balance due.
The IRS expects estimated payments four times a year if you'll owe $1,000 or more.
Open a separate savings account and move 25% to 30% of every payout into it the day it lands.
Track miles with an app instead of a shoebox of receipts.
And if gig work is a side hustle, you can often raise your withholding at your day job to cover the gap instead of mailing quarterly checks.
If you truly can't pay by April 15, don't ignore it.
Filing on time and requesting an installment plan beats the failure-to-file penalty, which runs 5% of unpaid tax per month.
The IRS also offers a short-term payment plan online for balances under $100,000, and setting one up takes about ten minutes.
One more thing worth checking: the Qualified Business Income deduction.
Many gig workers qualify for a 20% deduction on net business income, but it's easy to miss if you're using basic tax software and clicking through the prompts too fast.
The bottom line is that gig platforms sell flexibility, but they quietly hand you the tax bill.
Set aside money every single week, track every mile, and treat January like a deadline instead of a surprise.
Final Thoughts
A little admin work now is the difference between a manageable check and a very bad spring.