I'm a Tax Expert: These 4 Organizing Errors Could Be Costing You Big -- Here's How To Fix Them
Filing your taxes on your own might seem like a feat of mathematics. Being good with numbers helps, but accurate filing is more about organization and planning than math brilliance. Without organization, small mistakes can cost you time and money.
Avoiding tax filing errors doesn’t have to feel like navigating a minefield. MoneyLion spoke with Kyle Paxton, CPA and tax director at James Moore & Co., about common organizational pitfalls and how to avoid them.
Not Knowing When To Go With a Pro
Paxton says filing your own taxes requires “preparation, patience and a solid understanding of the rules.”
This isn’t meant to discourage you — it’s a reminder to be on your A-game. Some people, he notes, are better off hiring a professional.
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“Individuals with self-employment income, rental properties, significant investments, multiple states or complex credits — like education or energy credits — should strongly consider professional help,” Paxton said. “Complexity increases audit risk and the chance of calculation errors.”
If your return involves multiple income streams or life changes, such as marriage, divorce or a home purchase, it may be worth consulting a tax pro before filing on your own.
Not Understanding the Basics of Your Tax Situation
If you file on your own, it’s up to you to know which forms and information apply. You need to understand your filing status, income types, eligibility for credits and whether additional schedules are required.
“Many people assume filing is just ‘plugging in numbers,’” Paxton said. “In reality, determining what to report, what’s deductible and what qualifies for credits requires interpretation, not just math.”
Tax software or a professional advisor can help if you’re unsure. You can also use AI for general guidance — but never share Social Security numbers or other sensitive personal information. For example, you might ask: “I’m single with no kids, bought my first house this year and I work a full-time job while also selling on Etsy. What should I know about my tax status?”
Using tools this way can give you a starting point, but you should always verify guidance with official IRS resources or a qualified professional.
Not Having Your Forms in Order
Tax prep can feel like chasing down a pile of documents. Paxton recommends gathering:
W-2s
1099s (interest, dividends, freelance income)
Prior-year return
Social Security numbers
Records of estimated payments (if applicable)
Documentation for deductions or credits (mortgage interest, student loan interest, charitable contributions, child care expenses)
“Forms and instructions are available at IRS.gov,” he said. “Many taxpayers also qualify for IRS Free File if income thresholds are met.”
Missing Common Red Flags
Accuracy is crucial. Paxton points out common mistakes that can raise IRS red flags:
Mismatched income, such as forgetting a 1099
Excessive or disproportionate deductions relative to income
Large refundable credits without documentation
Math errors
He also warns about miscalculating refundable credits, like the Earned Income Tax Credit, due to misunderstandings about income limits, dependent qualifications or filing status.
Even small errors, such as an incorrect Social Security number or wrong direct deposit info, can delay your refund.
If you discover a mistake, act fast.
“File Form 1040-X as soon as possible,” Paxton said. “If additional tax is owed, pay promptly to minimize penalties and interest. Transparency and timely correction reduce further issues.”
The Bottom Line
Filing your own taxes doesn’t have to be overwhelming if you’re organized. But skipping the prep work — whether that’s understanding your tax situation, gathering the right documents, watching for red flags or knowing when to call in a professional — can end up costing you far more than the time it would have taken to get organized in the first place.
This article was provided by MoneyLion.com for informational purposes only and should not be construed as financial, legal, or tax advice.
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