Contributing the maximum to your 401(k), IRA, or HSA reduces taxable income dollar for dollar. A single filer earning $75,000 who contributes $10,000 to a 401(k) drops to the 12% bracket — potentially saving thousands in federal tax.
Tax-loss harvesting allows you to sell investments at a loss to offset capital gains. Up to $3,000 of excess losses can offset ordinary income annually, with unused losses carrying forward indefinitely.
Be aware of the wash-sale rule: you cannot claim a loss if you buy the same or substantially identical security within 30 days before or after the sale.
If your itemized deductions hover near the standard deduction, bunch two years of charitable contributions into one year and take the standard deduction the next year. This strategy maximizes total deductions across both years.
Tax credits reduce your liability dollar for dollar. Beyond the Child Tax Credit, check eligibility for: - Earned Income Tax Credit (EITC) - American Opportunity Tax Credit (education) - Lifetime Learning Credit - Energy-efficient home improvement credits - Electric vehicle tax credits
Use our Tax Calculator to model credit impacts on your final tax bill.
Over-withholding gives the IRS an interest-free loan. Under-withholding triggers penalties. Use the IRS Tax Withholding Estimator and our W-4 Withholding Explained guide to optimize your paycheck withholding.
Life changes — marriage, children, second jobs — require W-4 updates to avoid underpayment penalties.
If you're in a high bracket this year and expect lower income next year, defer bonuses or freelance payments to January. Conversely, if next year will be higher, accelerate deductions into the current year.
This timing strategy requires planning but can meaningfully reduce lifetime tax burden.
The IRS allows deductions you can substantiate. Keep receipts for charitable donations, business expenses, medical costs, and property taxes. Digital records are acceptable; photograph paper receipts before they fade.
FSA contributions reduce taxable income and can be used for medical, dental, and vision expenses. However, FSAs generally have use-it-or-lose-it rules, so budget carefully.
Years with temporarily low income (unemployment, sabbatical, early retirement) present opportunities to convert traditional IRA funds to Roth accounts at low tax rates, creating tax-free growth for the future.
Late filing penalties are 5% per month of unpaid tax, capped at 25%. Late payment penalties are 0.5% per month. Filing on time even if you cannot pay avoids the larger failure-to-file penalty.
If you cannot pay, file anyway and request an installment agreement — the penalty for filing late far exceeds the interest on payment plans.