#tax-deductions
Tax Deductions
Maximize tax deductions and reduce your tax liability legally
The Augusta Rule: How to Rent Your Home to Your Business for Up to 14 Tax-Free Days
Section 280A(g) — the Augusta Rule — lets business owners rent their personal residence to an S-corp, C-corp, or partnership for fewer than 15 days a year and exclude the entire rent from federal income tax. In Sinopoli v. Commissioner (2023), the IRS slashed roughly $290,000 of claimed rent down to $30,000 because documentation and fair-market rates were thin. Here is what 280A(g) actually requires, the five pillars of an audit-proof setup, and how to report the rent without triggering an IRS mismatch.
The HSA: The Stealth Retirement Account That Beats Your 401(k) on Tax Efficiency
How the 2026 Health Savings Account combines tax-free contributions, tax-free growth, and tax-free medical withdrawals — and how the shoebox strategy turns an $8,750 family limit into a six- to seven-figure retirement vehicle by age 65.
Section 183 Hobby Loss Rule: How the IRS Nine-Factor Test Decides If Your Side Activity Is a Business
Section 183 of the Internal Revenue Code denies loss deductions for activities not engaged in for profit. The IRS applies a nine-factor test and a three-of-five-years safe harbor (two of seven for horses) to distinguish a real business from a hobby — here is what each factor weighs and how to document profit motive before an audit.
Cash Balance Plans for High-Income Solo Practitioners: How Doctors, Lawyers, and Consultants Defer Six Figures Tax-Free
U.S. cash balance pension plans let solo doctors, attorneys, and consultants deduct $100,000–$370,000 a year on top of a Solo 401(k). 2026 contribution limits, a worked example for a 54-year-old physician, and the actuarial commitments to weigh before signing.
De Minimis Safe Harbor Election: Expensing Tangible Property Up to $2,500 Per Item Without Depreciation
The de minimis safe harbor election under Treasury Regulation 1.263(a)-1(f) lets businesses without audited financials immediately expense tangible property purchases up to $2,500 per item, skipping depreciation schedules and capitalization analysis.
Section 461(l) Excess Business Loss Limitation: A 2026 Guide for Pass-Through Owners
Section 461(l) caps how much net business loss a noncorporate taxpayer can deduct against other income. For 2026, the OBBBA reset thresholds to $256,000 single and $512,000 joint—down from $313,000 and $626,000 in 2025. This guide explains the Form 461 calculation, the four loss-limitation gates, and planning moves for K-1 losses, bonus depreciation, and real estate.
ICHRA Explained: How Small Businesses Reimburse Employees Tax-Free for Health Insurance in 2026
An Individual Coverage HRA lets small employers reimburse workers tax-free for individual ACA plans with no contribution cap, 11 employee classes, and a 9.96% affordability threshold for 2026. Here is how the mechanics, tax treatment, bookkeeping, and 90-day rollout actually work.
PTET in 2026: The SALT Cap Workaround for S-Corps and Partnerships
A 2026 guide to the Pass-Through Entity Tax — how 36+ jurisdictions let S-corps and partnerships convert capped state income taxes into a fully deductible federal business expense, even after OBBBA raised the SALT cap to $40,400.
Section 121 Home Sale Exclusion: How Homeowners Can Skip Up to $500,000 in Capital Gains Taxes
How Section 121 lets U.S. homeowners exclude up to $250,000 ($500,000 for joint filers) of capital gains on a primary home sale — covering the 24-month ownership and use tests, the two-year frequency rule, partial exclusions, depreciation recapture, and the nonqualified-use allocation.
Section 163(j) Business Interest Limitation: The 30% ATI Cap and OBBBA's EBITDA Restoration
OBBBA permanently restored the EBITDA-based ATI calculation for Section 163(j) starting in 2025, expanding deductible business interest for capital-intensive companies. A guide to the 30% cap, the ~$31M small business exemption, the 35% syndicate trap, EBIE allocations from partnerships, S-corp differences, and Form 8990 reporting.
Section 199A REIT Dividend Deduction: The 20% Tax Break Most REIT Investors Don't Fully Use
Section 199A lets investors deduct 20% of qualified REIT dividends from taxable income, dropping the top federal rate from 37% to about 29.6%. This guide covers Box 5 of Form 1099-DIV, the 45-day holding-period rule, Form 8995, and how OBBBA made the deduction permanent.
Section 280F Luxury Auto Depreciation Limits: The SUV Loophole and How to Maximize Your Business Vehicle Write-Off
Section 280F caps first-year depreciation on passenger autos at $20,300 in 2026, but SUVs and trucks rated above 6,000 lbs GVWR escape those limits and can combine a $32,000 Section 179 deduction with 100% bonus depreciation. A practical guide to the 2026 numbers, the heavy-vehicle and pickup carve-outs, the 50% business-use cliff, and the mileage-log standards an IRS auditor expects.