A working playbook for small business owners filing in 2026 — covering the now-permanent QBI deduction, the $2.56M Section 179 cap, S-corp salary structure, Solo 401(k) limits up to $72,000, and the bookkeeping habits that make every other strategy survive an audit.
A practical 2026 walkthrough of how the IRS taxes sole proprietors — covering Schedule C, the 15.3% self-employment tax on 92.35% of net earnings, quarterly estimated payments, the QBI deduction, and the threshold where an S-Corp election starts paying off.
Schedule SE calculates the 15.3% self-employment tax (Social Security + Medicare) owed by anyone with $400 or more in net self-employment earnings. This guide walks through the 2026 wage base ($184,500), the 92.35% adjustment, the 50% above-the-line deduction, and the safe-harbor rules that prevent quarterly underpayment penalties.
A single member LLC is taxed as a disregarded entity by default but creates the legal separation a sole proprietorship lacks. This guide covers formation steps, the three tax election paths (Schedule C, S-corp via Form 2553, C-corp via Form 8832), and the bookkeeping discipline needed to preserve the liability shield.
A sole proprietor netting $100,000 pays roughly $14,130 in self-employment tax that an S corp owner can legally avoid. This guide explains the break-even math, Form 2553 deadlines, reasonable compensation audit triggers, and the annual compliance costs that decide whether the switch actually saves money.
How rideshare drivers actually owe two federal taxes, why deadhead miles are worth thousands, and the quarterly-payment and 1099-K rules that trip up first-time filers.
A 2026 tax guide for creators covering the new $2,000 1099-NEC threshold, self-employment tax at 15.3%, home office and Section 179 deductions, quarterly deadlines, and fair market value rules for gifted products.
Schedule C reports business income and expenses for sole proprietors and single-member LLCs. This guide walks through every line of the form, the $400 filing threshold, the home office and 70-cent-per-mile vehicle deductions, and the recordkeeping that holds up under IRS review.
Schedule K-1 reports your share of pass-through income from a partnership, S corporation, or trust — and you owe tax on your allocation, not on the cash you actually received. A working guide to each major box, the phantom income trap, partner basis rules, the 2026 filing timeline, and six mistakes that cost K-1 recipients real money every year.
A 2026 reference for Social Security tax: the 6.2% employee and employer rate, the $184,500 wage base, the 15.3% self-employment rate with its 92.35% adjustment, Form 941 deposit rules, and the six mistakes that most often trigger IRS payroll penalties against small businesses.