With Tax Day arriving this week, millions of filers are rushing to submit returns—often increasing the chances of simple but costly mistakes. Even minor errors, like incorrect personal details or overlooked income, can delay refunds, trigger IRS notices, or lead to penalties that take time and money to fix.
The good news is that most of these issues are entirely avoidable with both extra attention and preparation.
Here are five common filing missteps to watch out for and how to avoid them:
Your filing status is one of the most important choices on your tax return because it helps determine your tax rate, your standard deduction and which credits you may be eligible to claim. Pick the wrong one, and you could end up paying more than you owe, getting a smaller refund or triggering delays if the IRS flags the return for review.
For many taxpayers, the confusion comes from life changes that happened during the year, like getting married or divorced, having a child, moving in with a partner, supporting an aging parent or sharing custody. Even if your situation feels straightforward, the IRS rules can be less intuitive, especially for taxpayers who aren’t sure whether they qualify as “head of household” or whether they can still file as a “qualifying surviving spouse” after a spouse has died.
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Head of household, in particular, can be costly to get wrong. It typically comes with a larger standard deduction and more favorable tax brackets than filing as single, but it has strict requirements tied to paying more than half the cost of keeping up a home and having a qualifying dependent. If you don’t meet the rules and claim it anyway, you may have to pay back tax benefits later, plus penalties and interest.
When in doubt, the IRS has an online filing-status tool, and many tax software programs will walk you through the questions to help you choose the right category.
An extension can buy you time to file your paperwork, but it doesn’t give you extra time to pay. For most taxpayers, the IRS deadline to pay what you owe is April 15, 2026 — even if you request an extension to file later.
“Remember that even if you claim an extension, the money is owed on April 15,” said Mike Faulkender, co-chair of American Prosperity at the America First Policy Institute.
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Faulkender, a former Treasury official and IRS commissioner, said taxpayers who need more time should still estimate their bill and pay by the filing deadline to help avoid added costs.
“You have to actually send in a check or have the payment deducted from your account by the filing deadline,” he said.
If you can’t pay in full by April 15, pay what you can to help limit penalties and interest that accrue on top of your tax bill.
One of the biggest and most expensive tax-season mistakes is failing to claim every credit or deduction you qualify for. That can mean a smaller refund or a higher bill.
“I think the top mistake people make is not fully understanding or taking the time to really research what are all the different deductions and the ways that you can put a little bit of extra money in your pocket that are available to you,” said Bill Sweeney, senior vice president of government affairs at AARP.
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Sweeney also warned taxpayers not to rely on last year’s return as a blueprint for filing because of recent changes to the tax code from the One Big Beautiful Bill Act.
“This would be a good year, given that there are these changes to the tax code, to make sure not to assume that what you did last year will convey over to this year. Really take a fresh look at your tax situation and see if there’s money that you’re leaving on the table,” he said.
Timing matters when it comes to filing your taxes. Submitting your return before you’ve received all your key paperwork, like W-2s or 1099s, can lead to errors, missing income or a return you have to amend later.
Faulkender said there’s a simple way to double-check what’s been reported under your name before you file.
“One of the things that I learned last year when I was IRS commissioner was that if you create an account on irs.gov, you can see everything that’s been filed under your tax ID,” he said.
“We’re supposed to receive all of our W-2s and our 1099 forms in the mail in January and February. But if you’re missing one, or you misplaced it, rather than requesting it again, you can actually go and see what was filed under your taxpayer identification number if you create an account on IRS.gov.”
If you choose direct deposit for your refund, the IRS relies on the routing and account numbers you provide. One wrong digit can lead to delays.
If you pay what you owe by direct debit, incorrect banking details can also lead to a rejected payment and potentially result in penalties and interest.
Filing late can also cost you extra money, especially if you owe. The goal is to wait until you have what you need, then file as soon as you’re ready, without rushing prematurely.
Tax Day is this week: Avoid these 5 common mistakes that can cost you money 2026 IUSTITIA.BG – Investigations 2009-2025 2026-04-12 16:14:58 Latest news World news Country news Most important news latest news most important latest of the day Justice Petar Nizamov Feathers Petar Nizamov- Feathers Justice bg iustitia.bg iustitia iusticia usticia investigation Burgas Bulgaria news news of the last hour news of the day news of today Bulgaria news The news from Bulgaria blitz news top news most important most commented latest news Boyko Borisov news weather coronavirus news news weather facebook youtube facebook instagram news today news of the last minutes news today today news news bg news leading news hot news bg news site for news all news news bg news of the last hour latest latest news bg news of today news today news today news of the last hour latest news today news bg news news 24 hours news vesti bg novini news world bird bg bivol bg bivol trud bg novini latest news today novinite bg news hello bulgaria political party coat of arms delyan peevski scandalous Bulgarian National Television Free Europe Television scandal exclusive live tv live right now tv tv online tv program bg live now tv news online tv online live court Burgas court Burgas district court Burgas court Burgas district court Burgas district court Burgas appellate court Burgas prosecutor Burgas prosecutor’s office Burgas district prosecutor’s office Burgas district prosecutor’s office Burgas district prosecutor’s office Burgas district prosecutor’s office Burgas district prosecutor’s office Burgas district prosecutor’s office Prosecutor General Ivan Geshev Prosecutor Geshev Tsatsarov Ministry of Internal Affairs Burgas ODMR Burgas ODPR Burgas police Burgas district police Burgas prosecutor Tsatsarov SGS cases Varna court chairman of the SGS court decisions on civil cases decisions on cases Plovdiv court decision of the court decisions cases Varna court criminal cases district district court decisions work in the court SGS chairman of the SGS judges Sofia court post judges Plovdiv court Plovdiv judges Plovdiv Supreme Court Inspectorate Supreme Court Supreme Judicial Council lawyer lawyer criminal cases lawyer civil cases lawyer marriage cases lawyer administrative criminal law criminal process civil law civil process administrative law constitutional law
