#amazon
Accounting solutions for Amazon sellers and FBA businesses
Inventory distortion costs retailers $1.77 trillion a year in stockouts and overstock, and multichannel sellers on Shopify, Amazon, and POS are especially exposed to sync lag, phantom inventory, and manual reconciliation errors—this guide covers real-time sync, cycle counts, and reorder-point formulas to fix it.
Print-on-demand sellers who are merchants of record (Shopify with Printful or Printify) owe sales tax themselves and can deduct real COGS, while royalty-based marketplace sellers (Redbubble, Amazon Merch, Etsy) owe no sales tax because the platform is a marketplace facilitator and have no deductible COGS at all.
A practical guide for Shopify and Amazon FBA sellers on rebuilding landed cost, pricing, and bookkeeping after the May and August 2025 suspensions of the Section 321 de minimis exemption, with line-by-line duty math, entry-type tradeoffs, and cash-flow tactics.
Six U.S. states now enforce Extended Producer Responsibility laws for packaging, with fee invoices arriving in 2025 and 2026. Here is how California SB 54, Oregon's Recycling Modernization Act, and Colorado's HB22-1355 reshape CPG brand P&L, plus the SKU-level bill of materials, ship-to-state allocation, and inventoriable vs. SG&A accounting treatment required for clean 2026 filings.
Twenty-one US states run sales tax holidays in 2026, with seven converging on August 7–9. Here is how Shopify, Amazon, Walmart, and Etsy sellers should configure product taxability, plan inventory, and avoid the per-item cap, bundled-sale, and excluded-venue mistakes that drive audit losses.
Economic nexus requires out-of-state sellers to collect sales tax once they cross a state's threshold — commonly $100,000 in sales. As of January 1, 2026, 16 states have dropped the 200-transaction trigger, and this guide explains the thresholds, marketplace facilitator traps, and a quarterly compliance routine.
How online sellers allocate landed costs across SKUs, track FBA reserved inventory across fulfillment centers, reconcile marketplace settlements line by line, and prevent phantom COGS adjustments at year-end across 3PLs and multi-channel fulfillment.
Multi-channel sellers routinely lose 22 margin points to phantom COGS — unallocated landed costs, FBA reserved inventory, and netted marketplace settlements posted as revenue. A four-step playbook to keep e-commerce books honest from supplier invoice to year-end true-up.
Drop shipping treats one shipment as two sales for tax purposes, and depending on nexus, resale certificate rules, and marketplace facilitator laws, an ecommerce operator can owe tax in states they never set foot in. A 2026 field guide to who actually collects, the ten strict resale states, and the nexus thresholds — including transaction-trigger drops — that decide your exposure.
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.
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 to Amazon FBA bookkeeping—covering settlement report reconciliation, FBA fee deductions, COGS calculation, multi-state sales tax nexus, inventory tracking, and quarterly estimated taxes.
