AI Amazon Vendor Negotiation 2026: Reclaim Millions in Chargebacks

Chapter 1: The Hidden Margin Leak: Why 1P Vendors Bleed Millions in Chargebacks If you sell to Amazon as a first-party (1P) vendor through Vendor Central, you already know the pitch: Amazon buys your inventory wholesale, owns it, and sells it to consumers. You get purchase orders, you ship, you invoice, you get paid. Clean and predictable, in theory. In practice, the money that hits your bank account rarely matches the money on your invoices. The gap between what you billed and what you collected is where millions quietly disappear every year. This gap has a name inside Amazon's system:...