The biggest refund comes from claiming every deduction and credit you actually may have access to for, not from tricks or shortcuts
A larger tax refund is not about gaming the system—it is about making sure you claim every deduction and credit the tax code allows you. The IRS does not reward people who claim things they do not may have access to for; it penalizes them. The real money is in the deductions and credits you are legally may have access to to but might have missed: child tax credits, education credits, energy-efficient home improvements, charitable donations, business expenses if you are self-employed, and dependent care costs. Most people leave money on the table simply because they do not know these exist or forget to gather the paperwork.
Your refund size depends on two things: how much tax you paid during the year (through withholding or estimated payments) and how much tax you actually owe. The gap between those two numbers is your refund. You cannot control how much you earned, but you can control what deductions and credits you claim, and you can adjust your withholding for next year so you do not overpay again.
Key Takeaways
- A larger refund comes from claiming deductions and credits you may have access to for, not from inflating numbers or inventing expenses.
- Common missed credits include the Earned Income Tax Credit (EITC), Child Tax Credit, education credits, and dependent care credits—each worth hundreds to thousands of dollars.
- Deductions reduce your taxable income; credits reduce your tax bill directly, so a $1,000 credit is worth more than a $1,000 deduction.
- Keeping receipts and records for charitable donations, medical expenses, business costs, and home improvements is the only way to prove deductions to the IRS if audited.
- After you get a large refund, adjust your W-4 or estimated tax payments so you do not overpay next year and wait months for money that should have been in your paycheck.
Understand the difference between deductions and credits
A deduction reduces the amount of income the IRS taxes. A credit reduces the tax bill itself. A $1,000 deduction might save you $120 to $370 in tax, depending on your tax bracket. A $1,000 credit saves you exactly $1,000. This is why credits are worth more, and why you should hunt for them first.
You can claim either the standard deduction (a flat amount that changes each year) or itemized deductions (the sum of specific expenses like mortgage interest, property taxes, and charitable donations). Most people use the standard deduction because it is simpler and larger. But if you own a home, paid significant medical bills, or made large charitable donations, itemizing might give you a bigger deduction. You do not have to choose until you file.
Hunt for tax credits you might have missed
The Earned Income Tax Credit (EITC) is the largest refundable credit for working people with low to moderate income. If you earned less than roughly $60,000 (the limit varies by filing status and number of dependents), you may may have access to even if you think you earn too much. The credit can be worth $600 to $3,700 depending on your situation. Many people do not claim it because they do not know it exists.
The Child Tax Credit is $2,000 per child under 17. The Child and Dependent Care Credit covers daycare or after-school care costs while you work, worth up to $1,050 per child. The American Opportunity Tax Credit and Lifetime Learning Credit cover education expenses—up to $2,500 and $2,000 respectively. The Saver's Credit rewards people who save for retirement. The Residential Energy Credits cover solar panels, heat pumps, and other home improvements.
Each credit has income limits and specific rules. The IRS website has a credits and deductions tool, and the VITA program (Volunteer Income Tax Assistance) offers free tax preparation for people earning under $64,000. A tax professional can spot credits you would miss on your own.
Claim deductions for expenses you actually paid
If you are self-employed, you can deduct business expenses: office supplies, equipment, vehicle mileage (at the IRS rate, currently 67.5 cents per mile for 2024), home office space, and professional services. Keep receipts and mileage logs. The home office deduction is either $5 per square foot (simplified) or your actual expenses (regular method)—calculate both and use whichever is larger.
If you own a home, you can deduct mortgage interest and property taxes (up to $750,000 in mortgage debt and $10,000 in state and local taxes combined). If you paid significant medical expenses—more than 7.5% of your adjusted gross income—you can deduct the amount above that threshold. Charitable donations to may have access to organizations are deductible if you itemize. Keep receipts, bank statements, or written acknowledgment from the charity.
If you paid student loan interest, you can deduct up to $2,500 even if you take the standard deduction. If you are a teacher who bought classroom supplies out of pocket, you can deduct up to $300. If you moved for work, some moving expenses may be deductible (rules are narrow; check the IRS website).
Adjust your withholding to avoid overpaying next year
A large refund means you paid too much tax during the year. That money sat with the government interest-free while you waited for it back. For next year, adjust your W-4 (if you are an employee) or your estimated tax payments (if you are self-employed) so you owe closer to zero at tax time. This puts more money in your paycheck now instead of waiting for a refund later.
Use the IRS W-4 calculator on irs.gov to figure out the right number of allowances or adjustments. If you have a spouse who also works, or if you have side income, the calculator will account for that. You can change your W-4 any time during the year; you do not have to wait until January.
Gather and organize your records before filing
The IRS does not take your word for deductions. If you claim a $5,000 charitable donation, a $3,000 medical expense, or $8,000 in business mileage, you need to prove it. Keep receipts, bank statements, credit card statements, and mileage logs. For charitable donations, keep the receipt from the charity or a written acknowledgment if the donation was over $250. For medical expenses, keep the bills and explanation of benefits from your insurance.
If you file electronically (which most people do), you do not send receipts with your return. But you must keep them for at least three years in case the IRS asks. If you are audited and cannot produce proof, the IRS will disallow the deduction and you will owe back taxes plus penalties and interest.
Consider hiring a tax professional if your situation is complex
If you are self-employed, own rental property, have investment income, went through a major life change (marriage, divorce, death in the family), or have a complex family situation, a tax professional can find deductions and credits you would miss. The cost of preparation (typically $150 to $500) often pays for itself in a larger refund or lower tax bill.
If you cannot afford a paid preparer, VITA (Volunteer Income Tax Assistance) offers free preparation for people earning under $64,000. Find a VITA site near you on irs.gov. Tax preparation software (TurboTax, H&R Block, TaxAct) walks you through questions and flags credits you might may have access to for, though they do not catch everything a human would.
Frequently Asked Questions
Can I claim a deduction for something I did not actually pay for?
No. The IRS requires proof that you paid the expense. If you claim a deduction and cannot produce a receipt or bank statement, the IRS will disallow it and you will owe back taxes plus penalties. Inflating or inventing deductions is tax fraud.
What if I am not sure whether I may have access to for a credit?
The IRS website has a credits and deductions tool that asks questions about your situation and tells you which credits you may may have access to for. VITA also offers free help. It is better to ask than to guess and claim something you do not may have access to for.
If I get a big refund this year, will I owe money next year?
Not necessarily. A big refund just means you overpaid this year. If your income and situation stay the same, and you adjust your W-4 based on this year's refund, you should break even next year. If your income changes, you may need to adjust again.
Does filing early get me a bigger refund?
No. Your refund size is determined by what you earned, what you paid in tax, and what deductions and credits you claim—not by when you file. Filing early does mean you get your refund sooner, but the amount stays the same.
What if I missed a deduction or credit on last year's return?
You can file an amended return using Form 1040-X within three years of the original filing date. If you are owed a refund, the IRS will send it. If you owe money, you will have to pay it plus any interest and penalties that apply.