How the 10-digit Harmonized Tariff Schedule, Chapter 99 add-ons, and Section 301 layers assign legal duty liability to the importer of record—not the broker—and how a prior disclosure under 19 U.S.C. § 1592(c)(4) can cap penalties at interest if you find errors before CBP audits.
Marketplaces like Amazon, Etsy, and Shopify collect sales tax for you, but registration, zero returns, and economic nexus tracking are still your responsibility. A 2026 compliance routine for multi-channel sellers, with state thresholds and the six mistakes that trigger penalties.
The One Big Beautiful Bill Act repealed the $600 1099-K threshold in July 2025 and restored the original $20,000-and-200-transaction federal rule, easing paperwork for casual sellers and gig workers — but every dollar of business income remains taxable.
A 2026 guide to sales tax compliance for small businesses selling across state lines — how nexus works after Wayfair, which states repealed the 200-transaction rule, and a seven-step sequence to collect, file, and remit across 45 states without triggering audits.
A Merchant of Record is the legal seller for your SaaS — handling sales tax, VAT, chargebacks, and PCI compliance in exchange for 4–8% per transaction. Here is when the math favors switching, how it compares to a payment processor, and how to pick a provider in 2026.
Since the 2018 South Dakota v. Wayfair ruling, 46 states can require out-of-state sellers to collect sales tax once they cross economic nexus thresholds — typically $100,000 in annual sales. This guide covers 2026 thresholds, marketplace facilitator rules, and a seven-step compliance playbook.
How sales tax nexus works in 2026 — the $100,000 / 200-transaction thresholds, marketplace facilitator laws, and the six ways small businesses accidentally trigger multi-state tax obligations.
A practical guide for Shopify sellers on setting up QuickBooks correctly—covering payout structure, integration apps (A2X, Synder), monthly reconciliation steps, and the most common mistakes that inflate revenue or miss COGS.
Drop shipping creates two simultaneous taxable sales per order — knowing when physical and economic nexus applies, how resale certificates prevent double taxation, and which 10 states reject out-of-state certificates keeps your business compliant.
A practical breakdown of every major tax deduction available to ecommerce sellers in 2026—covering COGS, home office, shipping, the QBI deduction (now 23%), 100% bonus depreciation, and the stabilized 1099-K threshold—with documentation practices to survive an audit.