A practical guide to claiming maximum IRS vehicle deductions in 2026, covering the standard mileage rate (72.5¢/mile), actual expense method, Section 179 expensing, bonus depreciation, and the record-keeping rules that protect you in an audit.
Medicare tax applies to all wages with no income cap; in 2026 the base rate is 2.9%, but high earners face an additional 0.9% surtax and up to 5% Net Investment Income Tax on passive income.
Pass-through business owners can deduct up to 20% of qualified business income under Section 199A, but income thresholds, SSTB rules, and W-2 wage limits determine the actual amount—here's how to calculate and maximize it.
The R&D tax credit (IRC Section 41) cuts your federal tax bill dollar-for-dollar for qualifying research expenses—yet fewer than one in five eligible businesses claim it. This guide covers the four-part test, QRE categories, the Alternative Simplified Credit calculation, and 2026 changes including restored Section 174 expensing and a $500,000 payroll tax offset for startups.
Self-employed individuals pay 15.3% in Social Security and Medicare taxes—double the employee rate. This guide covers how SE tax is calculated, legal strategies to reduce it (S corp election, retirement contributions, expense deductions), how deferral programs work, and what to do if you can't pay on time.
A practical breakdown of estimated quarterly tax payments for 2026 — who owes them, the four due dates (April 15, June 16, Sept 15, Jan 15), how to calculate using Form 1040-ES, and the safe harbor rules that shield you from IRS underpayment penalties.
Form 4868 grants an automatic six-month federal tax extension—but not a payment extension. Learn who should file, how to complete the form, key deadlines, penalty comparisons, and common mistakes that cost taxpayers real money.
Les societats col·lectives no paguen l'impost sobre la renda federal — els ingressos flueixen cap als socis a través de l'Annex K-1, els quals llavors han de pagar tant l'impost sobre la renda com l'impost sobre el treball autònom. Aquesta guia cobreix els terminis del Formulari 1065, les estimacions trimestrals, la sentència Soroban de 2023 sobre socis comanditaris i els cinc errors més costosos que cometen els socis de negocis.
The home office deduction can save self-employed workers and small business owners up to $1,800 with the simplified method — or significantly more via actual expenses — but W-2 employees can't claim it. Here's how to qualify, calculate, and document it correctly without triggering IRS scrutiny.
A practical guide to every deductible employee benefit—health insurance, HSAs, retirement plans, life insurance, education, and bonuses—with 2026 contribution limits, IRS rules, and documentation requirements for small business owners.
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