The Strategy Library

Deductions, credits and write-offs, organized by line item.

Search or filter the library below. Every entry explains who qualifies, roughly what it's worth, and what records to keep.

Deduction

Standard vs. itemized deduction

For 2026, the standard deduction is $15,750 (single) or $31,500 (married filing jointly). Itemize only if mortgage interest, SALT (capped at $10,000), and charitable gifts add up to more.

Best forHomeowners, high donors
Credit

Child Tax Credit

Worth up to $2,000 per qualifying child under 17, with a refundable portion. Phases out gradually above $200,000 (single) or $400,000 (married) in modified AGI.

Best forParents & guardians
Write-off

Home office deduction

Self-employed filers can use the simplified method ($5/sq ft, up to 300 sq ft) or the regular method based on actual expenses and the percentage of the home used exclusively for business.

Best forFreelancers, remote owners
Write-off

Business mileage tracking

Deduct business driving using the IRS standard mileage rate, or track actual vehicle costs. A simple mileage log with date, purpose and odometer readings is your best evidence.

Best forContractors, sales reps
Credit

Earned Income Tax Credit

A refundable credit for low-to-moderate income workers, with the amount scaling by income and number of qualifying children. Often overlooked by first-time filers.

Best forWorking households
Tax Planning

Maxing pre-tax retirement contributions

Traditional 401(k) contributions reduce taxable income dollar-for-dollar, up to the annual IRS limit. A useful lever late in the year if you're close to a bracket edge.

Best forW-2 employees
Filing Strategy

Choosing the right filing status

Head of Household status offers a larger standard deduction and wider brackets than Single for unmarried filers who cover more than half the cost of a home for a qualifying dependent.

Best forSingle parents
Write-off

Student loan interest deduction

Deduct up to $2,500 in student loan interest paid during the year, even if you don't itemize — subject to income phase-out limits.

Best forRecent graduates
Tax Planning

HSA triple tax advantage

Health Savings Account contributions are pre-tax, grow tax-free, and withdrawals for qualified medical expenses are also tax-free — available with a high-deductible health plan.

Best forHDHP enrollees
Credit

Education credits

The American Opportunity Credit covers up to $2,500 per student for the first four years of college; the Lifetime Learning Credit applies more broadly at a lower rate.

Best forStudents & parents
Filing Strategy

Filing an extension correctly

Form 4868 buys six extra months to file — not to pay. Estimate and pay what you owe by the April deadline to avoid late-payment penalties and interest.

Best forComplex returns
Tax Planning

Qualified Business Income (QBI) deduction

Owners of pass-through businesses — sole proprietorships, partnerships, S-corps — may deduct up to 20% of qualified business income, subject to income and industry limits.

Best forSmall business owners
Tax Planning Timeline

When to act on each strategy

JAN – JUN

Set your baseline

Adjust W-4 withholding, confirm retirement contribution rates, and start a mileage or expense log.

JUL – OCT

Mid-year check-in

Project income, estimate whether you'll itemize, and consider tax-loss harvesting in taxable accounts.

NOV – DEC

Final moves

Max out retirement contributions, bunch charitable gifts, and confirm HSA/FSA balances before year-end.