12 Common Tax Mistakes That Are Costing You Money (2024)

It’s officially tax season. Yep, everyone’s not-so-favorite deadline (April 17) is just around the corner. It doesn’t matter if you’re still building good financial habits or you’ve been making fiscally responsible decisions all year. You can’t get out of doing your taxes. But this year, you can make sure you aren’t missing out on money that should be yours with help from Linsay Thomas, a finance expert from DealsPlus.com. Below, Thomas shares 12 mistakes *way* too many people make every year so you know exactly what to double check before sending your forms to the IRS.

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1. Taking the Standard Deduction: Taking the standard deduction may be quicker and easier, but Thomas notes that if you have a substantial student loan interest, education costs, or medical expenses, you could be better off itemizing your deductions. To prove her point? She says that 20 percent of Americans lose out on an average of $400 by not claiming all their deductions.

2. Submitting With Missing or Incorrect Information: “Make sure you fill out your tax return completely. Missing information can lead to delays,” says Thomas. “The same goes for incorrect information. It’s easy to enter the wrong Social Security number or address. Make sure everything’s accurate before filing.” Double-checking everything before hitting “e-file” will save you some major headaches later.

3. Not Keeping Track of Donations: Whether it’s the casualties of a closet clean-out or old furniture from a minor decor upgrade, most people donate at some point throughout the year. Those donations could be money in your pocket. Thomas says, “Make sure you’re keeping track of every donation you make, as they’re all deductible. However, there are specific rules for documenting charitable donations. The IRS guidelines are listed here and you can get your hands on a simple tax checklist to get you started on organizing your documents.”

4. Not Holding Onto Receipts: “Receipts show what you’ve spent, so if you’re trying to itemize deductions, you need receipts to prove you spent the money you claim you did,” notes Thomas. Plus, receipts provide protection. Thomas adds, “If you’re ever audited, the IRS will go off of your receipts, so if you don’t have any, you likely won’t get credit for the deductions. Hold onto your receipts for at least three years and you won’t have to worry.”

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5. Making Simple Math Errors: If you’re like me and somehow graduated college without taking more than one math class, you might want to pay extra attention here. Thomas suggests ditching the calculator and pencil, which are way more prone to errors, and using tax preparation software. It’s absolutely worth the $30 investment.

6. Missing Out on Credits: “College students and parents have valuable credits available to them. Even if you took just one college course last year, you may be eligible for a portion of the credit. The American Opportunity Credit is worth up to $2,500, while the Lifetime Learning Credit is worth up to $2,000. For parents, the Earned Income Tax Credit can be worth up to $6,444. Because credits reduce your tax bills, they’re more valuable than deductions and should not be overlooked,” shares Thomas.

7. Not Keeping a Copy of Your Return: Once you file your return, the work isn’t over. Thomas suggests holding onto a copy for at least three years, explaining, “That’s how long the IRS legally has to audit you. Plus, you should have a copy on hand in case you plan to apply for a loan or mortgage, as many lenders will want to see your previous year’s tax return as proof of income.”

8. Not Claiming Children as Dependents: “Even if your 16-year-old son works and earns an income, he’s still a dependent. According to the tax code, you must provide at least half of your child’s support in order to claim him or her as a dependent,” says Thomas. “You can even claim your college student as a dependent, as long as their income is under $4,050 per year. Your child doesn’t even need to live with you. You might be able to claim your child as a dependent much longer than you think, so don’t overlook this deduction.”

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9. Inputting the Wrong Bank Account Number: If you’re due for a refund, you won’t receive it if you use the wrong bank account number, says Thomas. This is a serious face palm situation. “If you need to make a payment and use the wrong account number, the payment will fail and you’ll be charged late fees and other penalties. Verify the account number and routing number before proceeding.”

10. Using the Wrong Tax Forms: “The 1040, 1040A, and 1040EZ forms are all different,” notes Thomas. “Each has its own set of restrictions. You’ll want to make sure you’re using the right ones. Again, investing in tax prep software will help you avoid the mistake of using the wrong form.”

11. Not Starting Your Taxes Early Enough: While it might be tempting to wait until the end of March or even April, Thomas highly suggests you don’t procrastinate. “Start on your taxes as soon as all of your W-2s and other documents come in. You never know if you’ll come across any issues that require professional assistance. These snafus can cause delays, so don’t wait until April. If you owe the IRS money and don’t pay by April 17, you’ll be charged interest.”

12. Not Filing at All: Sometimes it might seem easier to just ignore the whole process, but Thomas says that just because you owe the IRS money and can’t repay them now doesn’t mean you can ignore your tax bill and hope it will go away. “You have to file your taxes every year, no matter your situation. If you don’t file your taxes, you could get hit with huge penalties. You could also get hit with tax evasion charges and be thrown in jail. It’s no laughing matter. File your return by April 17 and let the IRS know about your situation. They offer repayment plans to work with your budget.”

Tweet us your tax tips @BritandCo!

(Photos via Getty)

Kelsey Nelson

Kelsey Nelson is a born-and-raised Ohioan living life in South Carolina. She thrives at binge watching Netflix, contemplating what to order at the bar and running any trail or road she can get her feet on. In addition to being a Brit + Co contributor, she writes about southern pleasantries, DIY mishaps and more at North Living South. If she isn’t writing or running, she’s off adventuring with her husband Brad and their Lab/Dachshund mix, Gordy.

12 Common Tax Mistakes That Are Costing You Money (2024)

FAQs

What is the most common mistake made on taxes? ›

The No. 1 most common tax mistake by far is to include erroneous information on the return. While inaccurate information certainly can be an act of fraud, most tax return errors are just honest mistakes.

Does the IRS always catch mistakes? ›

The IRS does not check every tax return; in fact, it does not check the majority of them; however, the IRS implements methods that track certain factors that would result in a further examination or audit by them.

Can you get in trouble for tax mistakes? ›

However, if your taxes are wrong by design and you intentionally leave off items that should be included, the IRS can look at that action as fraudulent, and a criminal suit can be instituted against you. It is the intent that determines whether criminal action is taken.

What do I do if my tax preparer made a mistake? ›

If you find an error in your taxes, file an amended return as soon as you can. If you suspect misconduct on the part of your preparer, file a complaint with the IRS.

What is the most overlooked tax deduction? ›

Out-of-Pocket Charity Tax Deductions

It's not just cash donations that are deductible. If you donate goods or use your personal car for charitable work, these are potential tax deductions. Just be sure to get a receipt for any amount over $250.

How many people go to jail for tax mistakes? ›

It is a crime to cheat on your taxes. In a recent year, however, fewer than 2,000 people were convicted of tax crimes —0.0022% of all taxpayers. This number is astonishingly small, taking into account that the IRS estimates that 15.5% of us are not complying with the tax laws in some way or another.

What throws red flags to the IRS? ›

Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit. The IRS mostly audits tax returns of those earning more than $200,000 and corporations with more than $10 million in assets.

What will trigger an IRS audit? ›

Here are 12 IRS audit triggers to be aware of:
  • Math errors and typos. The IRS has programs that check the math and calculations on tax returns. ...
  • High income. ...
  • Unreported income. ...
  • Excessive deductions. ...
  • Schedule C filers. ...
  • Claiming 100% business use of a vehicle. ...
  • Claiming a loss on a hobby. ...
  • Home office deduction.

Does the IRS forgive honest mistakes? ›

We may be able to remove or reduce some penalties if you acted in good faith and can show reasonable cause for why you weren't able to meet your tax obligations. By law we cannot remove or reduce interest unless the penalty is removed or reduced.

How many years can you go without filing taxes? ›

Additionally, you have to consider the state you live in. For example, if you live in California, they have a legal right to collect state taxes up to 20 years after the date of the assessment!

How do I know if my tax return has been flagged? ›

Taxpayers whose tax returns have been flagged for possible IDT should receive one of the following letters: Letter 5071C, Potential Identity Theft during Original Processing with Online Option – Provides online and phone options and is issued most widely.

What happens if you don t file your taxes but don t owe anything? ›

A substitute return: If you fail to file but the IRS has some information needed to calculate your taxes, such as your W-2 form, you may be notified by mail that it has filed a return on your behalf. It won't consider the tax credits, deductions or other tax breaks you may have taken if you'd done your taxes.

Who gets in trouble if taxes are done wrong? ›

The IRS mainly targets people who understate what they owe. Tax evasion cases mostly start with taxpayers who: Misreport income, credits, and/or deductions on tax returns. Don't file a required tax return.

How far back can the IRS go to audit you? ›

Generally, the IRS can include returns filed within the last three years in an audit. If we identify a substantial error, we may add additional years. We usually don't go back more than the last six years. The IRS tries to audit tax returns as soon as possible after they are filed.

What is the penalty for filing taxes wrong? ›

Penalty. If your payment was: $1,250 or more: 2% of payment amount. Less than $1,250: $25 or the payment amount, whichever is less.

What percentage of tax returns are incorrect? ›

Tax returns prepared by preparers had a higher estimated percent of errors—60 percent—than self-prepared returns—50 percent. Errors refer to changes either to the tax due or refund amount.

How will I know if I did my taxes wrong? ›

If the IRS finds a mistake, you will likely receive a letter in the mail notifying you of it. You may face an audit if, however, your mistake is more serious, such as underreporting income. Audits usually begin with a letter asking for more information. The IRS does not catch every mistake on a tax return.

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