Maximize retirement contributions to tax-advantaged accounts
Contribute to an HSA if eligible
Use all eligible tax credits
Claim all allowable deductions
Track and deduct business expenses if self-employed
Itemize deductions if they exceed the standard deduction
Harvest investment losses to offset gains
Make charitable donations and keep receipts
Use tax-advantaged education accounts where applicable
Adjust withholding to avoid overpaying during the year
Review filing status for the most favorable option
Claim dependents and related credits if eligible
Deduct mortgage interest and property taxes if allowed
Deduct state and local taxes within limits
Keep records for medical expenses, if deductible
Contribute to an IRA before the deadline
Take advantage of employer benefits that reduce taxable income
Consult a tax professional for complex situations