What are some expenses you can write off?

Asked by: Gladys Crona  |  Last update: July 25, 2026
Score: 5/5 (63 votes)

Tax-deductible expenses reduce your taxable income and include common personal items like mortgage interest, charitable donations, student loan interest, and medical costs over 7.5% of AGI, plus business-related costs such as advertising, home office, vehicle use, and supplies, but you generally deduct the higher of the standard deduction or your itemized deductions, with specific rules and limits for each.

What common expenses can be written off?

You can deduct these expenses whether you take the standard deduction or itemize:

  • Alimony payments.
  • Business use of your car.
  • Business use of your home.
  • Money you put in an IRA.
  • Money you put in health savings accounts.
  • Penalties on early withdrawals from savings.
  • Student loan interest.
  • Teacher expenses.

What expenses are 100% deductible?

Many business expenses are 100% deductible, including advertising, employee wages, rent, supplies, and certain business meals like company parties or meals for the public, while personal deductions like student loan interest or charitable donations (depending on the type) can also be fully deductible for individuals. The key is that the expense must be "ordinary and necessary" for your trade or business or meet specific IRS criteria, often differentiating from the 50% rule for client meals.

What is the $20 000 instant asset write off?

The $20,000 limit under the measures applies on a per asset basis, so small businesses can instantly write off multiple assets. Assets valued at $20,000 or more can continue to be placed into the small business pool and depreciated at 15% in the first income year and 30% each income year after that.

What is the smartest thing to do with a tax refund?

The following are good options for your tax money, and should be the top priorities for your refund.

  1. Start and/or Increase Your Emergency Savings. ...
  2. Pay Off High-Interest Debt. ...
  3. Use It On Something You Really Need. ...
  4. Start A Savings Account. ...
  5. Refinance Your Mortgage. ...
  6. Invest In a Tax-Sheltered Account. ...
  7. Invest In a Taxable Account.

ACCOUNTANT EXPLAINS: How to Pay Less Tax

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What are common tax filing mistakes?

Misspelled names. Likewise, a name listed on a tax return should match the name on that person's Social Security card. Entering information inaccurately. Wages, dividends, bank interest, and other income received and that was reported on an information return should be entered carefully.

What is the $3000 loss rule?

The IRS allows taxpayers to deduct up to $3,000 of realized investment losses ($1,500 if married filing separately) against ordinary income each year. This deduction applies only to losses in taxable investment accounts and must be realized by December 31st to count for that tax year.

What are my allowable expenses?

Allowable expenses include your basic office costs such as stationery and the bills you pay on your business phone. Travel costs and staff salaries are also included, as is the cost of a uniform or other appropriate clothing (for example, if you work in a skilled or manual trade).

Can I deduct expenses from my hobby income?

You must report all your hobby income, but you can't deduct any expenses from it. Before 2018, you could deduct hobby expenses if you itemized deductions. If your hobby is a business, you can use Schedule C to report profits and losses and deduct some expenses.

What are the biggest tax mistakes people make?

The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.

What are the best tax write-offs?

Some of the most common federal tax deductions include:

  • Retirement contributions (IRA, 401(k), SEP IRA)
  • Student loan interest.
  • Charitable donations.
  • Mortgage interest.
  • State and local taxes (SALT)
  • Medical expenses over 7.5% of your AGI.
  • Home office expenses for self-employed taxpayers.
  • Health Savings Account contributions.

What expenses are 100% tax deductible?

Many business expenses are 100% deductible, including advertising, employee wages, rent, supplies, and certain business meals like company parties or meals for the public, while personal deductions like student loan interest or charitable donations (depending on the type) can also be fully deductible for individuals. The key is that the expense must be "ordinary and necessary" for your trade or business or meet specific IRS criteria, often differentiating from the 50% rule for client meals.

What is the $1000 instant tax deduction?

The "$1000 instant tax deduction" refers to a proposed Australian tax policy, specifically from the Albanese Labor government in 2025, allowing eligible workers to claim a flat $1,000 deduction for work-related expenses without needing receipts, simplifying tax returns for those with lower expenses but potentially costing those with higher expenses, starting from 1 July 2026. It's an option to replace itemised work-related deductions, not an extra refund, and doesn't affect non-work-related deductions like charity. 

What will give me a bigger tax refund?

A higher tax refund comes from paying more tax throughout the year than you actually owe, usually by over-withholding on your paycheck or by claiming valuable tax credits and deductions that reduce your final tax bill, like for education, retirement (Saver's Credit), or energy efficiency. Maximizing deductions (itemizing or taking above-the-line ones like IRA contributions) and qualifying for specific credits are key, as are adjusting your W-4 form to withhold more tax from each paycheck, according to TurboTax and Forbes.

How do you avoid the 22% tax bracket?

To avoid the 22% tax bracket (or any higher bracket), focus on reducing your taxable income through strategies like maxing out 401(k)s and HSAs, deferring bonuses, tax-loss harvesting, smart charitable giving, and strategic asset location, understanding that higher rates only apply to income within that bracket, not your entire income.

What is the 20k rule?

The "20k rule" refers to the traditional IRS threshold for reporting income from payment apps and online marketplaces on Form 1099-K: over $20,000 in gross payments AND more than 200 transactions in a calendar year. While a law (the American Rescue Plan) temporarily lowered the threshold to $600, recent legislation, the One Big Beautiful Bill Act (OBBBA) (OBBBA), has reinstated the $20,000/200-transaction rule for tax years starting in 2025, providing relief for casual sellers and gig workers. 

What are some often overlooked tax write-offs?

Pay attention to child care expenses, medical bills, state sales taxes and student loan interest.

What is the 5 year lock out rule?

The 'lock out' rules are suspended until 30 June 2023 These rules prevented small business entities from accessing the simplified depreciation regime for 5 years if they opt out of the regime. The suspension of these rules allows small business entities to take advantage of temporary full expensing.