Net operating losses generated after 2021 carry forward indefinitely but can offset only 80% of future taxable income. This guide covers the calculation, the Section 461(l) excess business loss limit, Form 1045 vs. 1040-X, and the bookkeeping practices that keep an NOL defensible years later.
Section 469 makes rental losses passive by default, so most cannot offset W-2 income. This guide covers the $25,000 special allowance and its $100k–$150k MAGI phase-out, the 750-hour and 50% real estate professional tests, the 1.469-9(g) aggregation election, audit-tested time-log practices, and how suspended losses unlock on disposition.
A cost segregation study reclassifies a building's components into shorter MACRS lives, unlocking the 100% bonus depreciation permanently restored by the One Big Beautiful Bill Act of July 2025. On a $1M residential rental, that swings first-year tax savings from roughly $10,700 to roughly $90,600—provided the investor clears IRC §469 passive activity loss limits.
Section 199A lets pass-through owners deduct up to 20% of qualified business income. This guide covers the 2026 thresholds, W-2 wage and UBIA limits, the SSTB trap, rental real estate safe harbor, the aggregation election, and the new $400 minimum deduction.
A walk through five tax-court rulings — Seacat's cat food, Wheir's body oil, ABBA's costumes, the Hess implants case, and Capone-style evasion — and the documentation, commingling, and "ordinary and necessary" rules they expose for small business owners.
Client meals are 50% deductible in 2026, client gifts cap at $25 per recipient (a limit unchanged since 1962), and employer-provided meals lose their deduction this year. A service-business guide to documenting meals, travel, gifts, and marketing while staying inside IRS rules.
A line-by-line guide to the deductions self-employed workers can claim in 2026, including the now-permanent 20% QBI deduction under OBBBA, $72,000 Solo 401(k) limits, the 72.5-cent IRS mileage rate, and the documentation rules that hold up under audit.
A practical week-by-week, quarter-by-quarter, and year-end tax preparation checklist for small business owners — covering 2026 IRS deadlines, estimated tax payments, deductions, 1099 filing, and the bookkeeping habits that turn April from a sprint into a routine handoff.
The OBBBA made the QBI deduction permanent and raised it to 23% in 2026, expanded SALT to $40,000 through 2029, and lifted the estate exemption to $15 million. Here is how small business owners running pass-through entities, S corps, and LLCs should plan around it.
Section 280A(g) lets business owners rent their personal residence to their company for up to 14 days per year and exclude the income from federal tax. This guide covers eligibility, fair-market rate setting, the documentation auditors expect, and the lessons from Sinopoli v. Commissioner.
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