Tax

The complete 2026 guide to solo Shopify taxes: income and estimated tax, multi-state sales tax, the 1099-K, contractor 1099-NEC, and a unified tax calendar.

Quarterly estimated taxes for solo Shopify founders: the $1,000 rule, 2026 safe-harbor %, four IRS due dates, and a free set-aside planner sheet.

W-9 form and 1099-NEC for solo Shopify operators 2026: $600 vs $2,000 threshold timeline (OBBBA), TIN Matching, B Notice, backup withholding.

Sales tax deregistration for solo Shopify operators in 2026 — a four-step workflow, four state walk-throughs (CA, TX, NY, WA), and a complete checklist.

1099-K reconciliation for solo Shopify operators — why the form does not match revenue or deposits, a 5-line model, monthly workflow, and when to call a CPA.

Multi-state sales tax for solo Shopify operators in 2026 — economic nexus, 1099-K thresholds, registration, deregistration, and a practical operating framework.