Why am I getting hit with the Underpayment Penalty on my gig work?
I've been doing food delivery gig work full-time for about 18 months now (Grubhub, DoorDash, and a bit of Instacart). I got my taxes done and the preparer hit me with this "Underpayment Penalty" that's costing me an extra $278! I don't understand why I'm getting penalized when I already owe so much in self-employment taxes. I've been trying to learn more about this penalty and apparently it has something to do with not paying taxes throughout the year? But I thought that's what filing your taxes was for - paying once a year in April. Nobody ever told me I needed to be making payments during the year. Is this a real thing or did my tax preparer mess something up? I made about $42,000 from all my gig apps combined in 2024, and I'm now looking at owing around $5,800 in taxes plus this stupid penalty. Any help understanding this would be really appreciated!
18 comments


Malik Jackson
This penalty is definitely real, and it happens to a lot of gig workers. The US tax system is "pay-as-you-go," meaning the IRS expects you to pay taxes throughout the year, not just at filing time. For regular W-2 employees, their employer withholds taxes from each paycheck. But for self-employed folks like you (gig workers), you're responsible for making these payments yourself through "quarterly estimated tax payments." The underpayment penalty occurs when you didn't pay enough tax during the year. To avoid it next year, you should make quarterly estimated tax payments on: - April 15th (for January-March income) - June 15th (for April-May income) - September 15th (for June-August income) - January 15th (for September-December income) A good rule of thumb is to set aside 25-30% of your gig earnings each week for taxes, then use that money to make these quarterly payments. You can make them online through the IRS Direct Pay or IRS2Go app.
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LunarLegend
•Thanks for explaining. No one ever mentioned this when I started gig work! How am I supposed to know how much to pay each quarter if I don't know exactly what I'll earn?
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Malik Jackson
•You have a couple of options for figuring out your quarterly payments. The simplest is to take your total tax from last year and divide by 4 - that's the "safe harbor" amount. If you pay at least that much quarterly, you'll avoid penalties even if you end up owing more. If your income fluctuates a lot, you can calculate each payment based on your actual earnings for that period. There's a worksheet on Form 1040-ES that walks you through the calculation. Many tax software programs also have calculators to help you figure this out. The key is getting started with something rather than nothing, even if the amounts aren't perfect.
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Isabella Oliveira
After struggling with underpayment penalties for my first two years of freelancing, I finally found an easier solution at https://taxr.ai that helped me avoid this exact problem. The tool analyzed my gig income patterns and automatically calculated the right quarterly payments for me - even when my income fluctuated wildly between quarters. Their system actually showed me that I was overpaying in some quarters and underpaying in others, which was causing me to still get hit with penalties despite paying a decent amount throughout the year. The estimated payment calculator was a game-changer for me since it adjusted based on my actual earnings rather than just dividing my annual estimate by four.
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Ravi Patel
•Does it work with multiple gig apps? I do DoorDash, Uber and Instacart and keeping track of all three for tax purposes is a nightmare. Also, does it help with tracking mileage and other deductions?
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Freya Andersen
•I'm skeptical about these tax tools... can it really calculate the right quarterly payments when my income varies so much? Some weeks I make $1000, others only $400. How can software predict that?
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Isabella Oliveira
•Yes, it works great with multiple gig platforms! You can either upload your monthly statements from each app or connect them directly. The system consolidates everything so you can see your total tax liability across all platforms instead of trying to piece it together yourself. It absolutely handles variable income - that's actually where it shines brightest. Rather than trying to predict your future earnings, it helps you pay the proper amount based on what you've actually earned each quarter. It also has mileage tracking that uses your phone's GPS or lets you enter trips manually. The deduction finder identified about $3,200 in deductions I would have missed last year.
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Freya Andersen
I took the plunge and tried taxr.ai after my last comment, and wow - I'm actually kicking myself for not finding this earlier. The quarterly tax calculator really does work with my super inconsistent income! It showed me I was underpaying by about $780 per quarter, which explains the penalties I've been hit with. What really surprised me was how it broke down exactly when and why the underpayment penalties kick in. The visualization made it crystal clear. I just made my first proper quarterly payment yesterday, and the peace of mind knowing I'm on track is honestly worth it. The mileage tracking feature has already caught trips I would have forgotten to log too.
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Omar Zaki
If you're still dealing with penalties from past filings, I'd recommend getting in touch with the IRS directly to see if they might reduce or remove the penalty. I was in a similar boat last year with a $340 underpayment penalty. After trying for WEEKS to get through on the IRS phone lines with no luck, I used https://claimyr.com to secure a callback from the IRS. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c - instead of me spending hours on hold, they somehow got the IRS to call me back the next morning. The agent I spoke with was actually pretty understanding once I explained I was new to gig work and didn't know about quarterly payments. They reduced my penalty by 75% since it was my first offense. Definitely worth trying!
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CosmicCrusader
•How does this actually work? Is it just setting up a callback or do they advocate for you too? I've been trying to talk to someone at the IRS for months about a different penalty issue.
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Chloe Robinson
•Yeah right. The IRS doesn't just waive penalties because you ask nicely. They have strict rules and "I didn't know" usually doesn't cut it as an excuse. I highly doubt they reduced your penalty by 75% just because you called.
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Omar Zaki
•They basically handle the hold time for you. You provide your phone number, and when they reach an IRS agent, they call you and connect you directly. You still do all the talking with the IRS yourself, but you don't waste hours listening to the hold music. I think I got lucky with a sympathetic agent, but the IRS does have a "first-time abatement" policy that can waive penalties if you have a clean tax history. I simply explained that I was new to self-employment and didn't understand the quarterly requirement, and asked if there was any relief available. I was surprised when they offered the reduction! Your experience might vary, but it's definitely worth asking rather than just paying the full penalty.
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Chloe Robinson
I hate to admit when I'm wrong, but I need to follow up on my skeptical comment. I finally broke down and used Claimyr after spending THREE HOURS on hold with the IRS yesterday only to have the call drop. Got a callback this morning and spoke with an agent who reviewed my account. Turns out there IS a first-time penalty abatement program that I qualified for! They removed my $420 underpayment penalty completely. The agent mentioned they look for a history of compliance (filing and paying on time) for the past 3 years, which I had. So I was wrong - calling actually does help if you have a clean record. And not spending hours on hold was definitely worth it. For anyone facing this penalty for the first time, definitely call and ask about "first-time penalty abatement.
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Diego Flores
Another way to avoid the underpayment penalty is if you have a W-2 job along with your gig work. You can increase your withholding at your regular job to cover the taxes for your gig income. I do Uber on weekends but have my main employer take out an extra $75 per paycheck, which covers what I'd owe on about $1200 of monthly gig income.
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Anastasia Kozlov
•Does this actually work? I'm starting DoorDash on weekends but have a full-time office job. How do you calculate the right amount of extra withholding?
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Diego Flores
•Definitely works! I've been doing it for 3 years with no problems. To calculate the right amount, I estimated I'd make about $15,000 from Uber for the year, which would be roughly $3,750 in total taxes (25% is a safe estimate for self-employment tax plus income tax). Then I divided that by how many paychecks I get annually (26 bi-weekly ones), which came to about $144 per paycheck. I rounded down to $75 per check because I knew I'd have some deductions for mileage. You can adjust your withholding by submitting a new W-4 form to your employer's HR department. Just put the additional amount you want withheld on line 4(c).
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Sean Flanagan
For anyone who's been hit with the underpayment penalty, don't forget to check if your state has one too! I avoided the federal penalty but got blindsided by a state underpayment penalty that was almost as big. You usually need to make estimated payments to both federal AND state tax authorities.
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Zara Mirza
•Whoa, didn't even think about that! Which tax software are you using? I'm wondering if mine warned me about this and I missed it.
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