US tax blog

Guides for the US market. Article URLs here use a us- prefix so they stay separate from other locales.

Guides Etats-UnisJun 8, 2026

Year-end tax planning checklist for freelancers

Freelancer year-end tax checklist: estimated payment true-up, retirement contributions, equipment purchases, income deferral, and January deadlines.

Guides Etats-UnisMar 1, 2025

HSA eligibility for self-employed taxpayers

HSA rules for self-employed: high-deductible health plan requirements, no disqualifying coverage, contribution limits, and deduction on Form 1040.

Guides Etats-UnisFeb 25, 2025

Multi-state remote work taxes: freelancer primer

Income tax nexus for remote freelancers: resident vs nonresident sourcing, convenience rules, reciprocity, apportionment, and registration checklist.

Guides Etats-UnisFeb 21, 2025

Federal tax brackets for freelancers in 2026

2026 federal income tax brackets applied to freelancer scenarios: taxable income, standard deduction, SE tax interaction, and marginal rate examples.

Guides Etats-UnisFeb 19, 2025

S-Corp FICA and payroll tax breakdown for owners

How FICA applies to S-Corp owner W-2 wages: employer vs employee shares, Social Security wage base, Medicare, Form 941, and distribution contrast.

Guides Etats-UnisFeb 17, 2025

Safe harbor estimated tax: the 110% rule explained

Federal estimated tax safe harbors: 90% current year, 100% prior year, and 110% rule for higher AGI—penalty avoidance with examples and Form 2210.

Guides Etats-UnisFeb 15, 2025

Home office: simplified method vs regular method

Compare IRS simplified ($5 per sq ft) and regular (Form 8829) home office methods: eligibility, caps, depreciation recapture, and which to choose.

Guides Etats-UnisFeb 13, 2025

Startup costs and Section 195 deduction basics

Section 195 startup cost deduction and amortization: what qualifies, $5,000 immediate deduction limit, organizational costs, and first-year planning.

Guides Etats-UnisFeb 5, 2025

IRS mileage deduction rates and rules for 2026

Standard mileage rate vs actual expenses for 2026: business, medical, charitable miles, logging requirements, and when commuting is never deductible.

Guides Etats-UnisFeb 1, 2025

SEP IRA vs Solo 401(k) for self-employed owners

Compare SEP IRA and Solo 401(k) for self-employed taxpayers: contribution limits, employee rules, Roth options, deadlines, and when each plan fits.

Guides Etats-UnisJan 30, 2025

State sales tax nexus for freelancers explained

When freelancers trigger state sales tax nexus: economic thresholds, marketplace rules, SaaS taxation, registration steps, and multi-state compliance basics.

Guides Etats-UnisJan 28, 2025

Schedule C deductions checklist for freelancers 2026

Line-by-line Schedule C deduction checklist for 2026: supplies, travel, home office, depreciation, health insurance, and recordkeeping with IRS references.

Guides Etats-UnisJan 26, 2025

1099-NEC vs W-2 worker classification guide

Compare 1099-NEC independent contractors and W-2 employees: IRS control factors, tax forms, withholding, and misclassification costs for freelancers and hirers.

Guides Etats-UnisJan 24, 2025

LLC S-Corp reasonable salary guide for 2026

IRS reasonable compensation for LLC owners who elect S-Corp: salary benchmarks, FICA trade-offs, documentation, and numeric walkthroughs with official links.