What Is an FBA Prep Center — and How to Choose One in 2026
What an FBA prep center actually does, when outsourcing beats prepping yourself, how prep centers charge, and the questions that separate good providers from expensive mistakes.
Long-form guides and short news briefs for Amazon and Walmart sellers. No filler, no SEO-padding, no thought leadership. Just what changed, what it costs, and what to do about it — written by people who run a prep center every day.
What an FBA prep center actually does, when outsourcing beats prepping yourself, how prep centers charge, and the questions that separate good providers from expensive mistakes.
What an FNSKU barcode is, how it differs from ASIN, SKU, and UPC, Amazon's label requirements, and what FNSKU labeling actually costs in 2026 — DIY vs prep center.
FNSKU, poly-bagging, commingling, defect fees, receiving, forwarding, WFS — the prep vocabulary that decides whether your inventory gets received or rejected. Thirty terms defined plainly, no jargon for jargon's sake.
On January 1, 2026, Amazon ended FBA prep services in the US. Here's what's actually different now, what sellers must do, and what it costs.
Real per-unit pricing, hidden fees, and worked examples for sellers at 500, 2,000, and 10,000 units/month. What FBA prep actually costs in 2026.
Amazon FBA and Walmart WFS look similar from the outside. The prep is not. FNSKUs vs GTINs, label placement, what trips sellers up — and what it costs to get wrong.
When Amazon or Walmart changes a rule that affects prep, we write a short brief about it — and we send it to your inbox once a month with the latest long-form guide. That’s it.