FBA Prep Blog by Former Amazon Director

Amazon FBA inventory labels and barcodes on cardboard boxes

Amazon Commingling Ends March 31, 2026: What Every Seller Needs to Do Now

Amazon's stickerless commingling program ends March 31, 2026. New FNSKU labeling rules affect brand owners and resellers differently. Here's exactly what you need to do before the deadline.

Mar 9, 2026 9 min read

Amazon ends its FBA prep services from Janurary 1st, 2026

Amazon Updates

Amazon FBA Prep Is Gone in 2026: What Sellers Are Getting Wrong Right Now

Amazon eliminated FBA prep services on January 1, 2026. New inbound defect fees now reach $1.74 per unit. Here's what high-volume sellers are getting wrong — and how to fix it fast.

Feb 20, 2026 7 min read

Sales tax myth debunked for Amazon FBA prep centers

Seller Tips

Why You Don't Need a Sales Tax-Free Prep Center (And What Actually Matters)

The "0% sales tax state" pitch is a myth for most Amazon sellers. Learn why reseller certificates matter more and what actually impacts your bottom line.

Dec 24, 2025 5 min read

Amazon FBA shipment boxes being inspected

Compliance

Why Amazon Rejects FBA Shipments: An Insider's Guide

Learn the real reasons Amazon rejects FBA shipments from someone who spent 10+ years inside Amazon fulfillment operations. Avoid costly delays and rejections.

Dec 17, 2025 10 min read