Most people know the phrase “write-off,” but many don’t understand its full impact. A tax write-off is a fundamental tool in personal and business finance, letting individuals and organizations reduce their taxable income by deducting eligible expenses. Knowing how write-offs work and which expenses may qualify can help with smart financial planning. 

Learn what tax write-offs mean, how to claim them, and the ways they can help you maximize your financial resources. At Gainbridge, we’re committed to demystifying complex concepts and providing practical guidance to help investors make informed decisions. 

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What is a tax write-off?

A tax write-off is an IRS-approved deduction that reduces your taxable income. By lowering the amount of income the IRS uses to calculate your taxes, write-offs can help you save money. How much you can get back from tax write-offs depends on multiple factors, including your income, filing status, and the type of expense. 

It’s important to distinguish between tax write-offs and tax credits. A tax credit provides a dollar-for-dollar reduction of the tax you owe. For example, if you owe $10,000 in taxes and claim a $1,000 credit, your bill drops to $9,000. While both deductions and tax credits both reduce your tax burden, deductions are more commonly used by individuals, businesses, and the self-employed to lower taxable income. 

Tax write-off categories: Organizing your deductions

To make sense of the way different ways deductions work, the IRS organizes them into three main categories. Understanding these helps you identify which expenses qualify and plan more effectively. Here’s a breakdown.

Above-the-line deductions

You can claim these deductions even if you don’t itemize your taxes. They’re called “above the line” because you subtract them from your gross income to get your taxable income, also known as your adjusted gross income (AGI). Common examples include contributions to traditional IRAs, health savings accounts, and self-employment taxes.  

Below-the-line deductions

If your itemized deductions exceed the standard deduction, you can claim below-the-line tax deductions, such as medical expenses, mortgage interest, and charitable contributions. You subtract them from your AGI to arrive at your final taxable income. 

Business

Business owners and the self-employed can deduct allowable business expenses from their taxable income. You report these expenses on IRS Schedule C and, when combined with business income, they determine your net profit or loss. Eligible business write-offs are wide-ranging and include office supplies, travel for business, and advertising. 

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How do tax write-offs work? A step-by-step guide

The tax-write off process happens each year when you prepare and file your tax return. Here’s a step-by-step guide.

1.  Report gross income

Begin by calculating your total income from all sources, including wages, investment earnings, and rental income. You want to capture your full financial picture, which gives you an accurate starting point for your tax calculations. 

2. Subtract write-offs 

Next, apply tax deductions to reduce your gross income. Some deductions are “above the line,” and others are “below the line.” Taking advantage of all eligible deductions can reduce the amount of tax you owe. 

3. Calculate taxable income

After subtracting deductions, you arrive at your AGI. The IRS uses this amount to determine how much tax you owe. For example, if your gross income is $60,000 and you claim $12,000 in deductions, your AGI would be $48,000.

4. Apply tax bracket

The IRS then applies your taxable income to the appropriate federal tax bracket. It uses a progressive system, meaning the higher your income, the higher your tax bracket. As deductions reduce your taxable income, they can potentially move you into a lower bracket. Understanding your tax bracket is critical in determining the impact of deductions or credits. 

What can you write off on taxes?

When preparing your taxes, you must decide between taking the standard deduction or itemizing your expenses. A general rule of thumb: If your total deductible expenses exceed the standard deduction, itemizing is usually the better option. Either way, the standard deduction or the sum of your itemized deductions reduces your taxable income. Here are some common areas where taxpayers claim deductions.

Mortgage interest

If you’re paying a mortgage, you can deduct some or all of the interest you pay, subject to IRS limits. This deduction can apply to both your primary residence and a second home, and is often one of the largest itemized deductions for homeowners. 

Charitable gifts

You can deduct qualified donations you make to eligible charities, including cash contributions and property donations. There are limits and specific rules depending on the type and amount of donation. You’ll also need to keep receipts in case the IRS requests verification. 

Medical expenses

If your unreimbursed medical expenses exceed 7.5% of your AGI, the IRS lets you deduct them. This applies to costs for yourself, your spouse, and your dependents during the tax year. Eligible expenses range from doctor visits and prescriptions to certain medical equipment and long-term care costs. 

State and local taxes

If you itemize, you can deduct state and local income, sales, and property taxes, subject to limits. This deduction can help offset the tax burden imposed by state and local governments. 

Maximize your wealth potential with Gainbridge annuities

Smart tax planning can be critical to building long-term wealth. By reducing taxable income through eligible deductions, you can free up resources to invest in your future. Gainbridge annuities offer a flexible way to grow and protect your savings, with no hidden fees or commissions. 

Explore Gainbridge today and learn how our products can support your financial goals.

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Gainbridge does not offer legal or tax advice. This article is intended for informational purposes only. It is not intended to provide, and should not be interpreted as, individualized investment, legal, or tax advice. For advice concerning your own situation please contact the appropriate professional. The GainbridgeⓇ digital platform provides informational and educational resources intended only for self-directed purposes.