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Amazon’s 2026 FBA fee changes are reshaping seller margins faster than most realize. This guide breaks down the latest fulfillment, storage, and low-inventory fees, the hidden costs sellers often overlook, and practical ways to reduce unnecessary charges while protecting profitability on Amazon.
Amazon’s March 31, 2026 commingling policy change split FBA inventory requirements between brand owners and resellers. Brand Registry representatives can still use manufacturer barcodes. Resellers must FNSKU every unit. Here’s what changed, why, and what to do now.
Account Health Assurance sounds like a safety net for all sellers — but it’s eligibility-gated, and automated enforcement still acts before the 72-hour window opens. Here’s what AHA actually covers, who qualifies, and what to have in place before you need it.
Amazon will not enforce your MAP agreement — that’s a legal boundary it won’t cross. But that doesn’t mean you have no options when a seller undercuts your price. Here’s what actually happens, and what you can do about it.
Prime Day brings a surge of traffic and a predictable set of listing threats. Here are the five most common problems that hit sellers during Prime Day, and the specific SentryKit alert that catches each one before it costs you sales.
The “+$0.08/unit” FBA fee headline that circulated in early 2026 is incomplete. The actual fee change is tiered — and sellers who repriced to the average are still losing margin on their highest-value products. Here’s the real breakdown.
Starting July 27, Amazon rewrites any product title over 75 characters automatically — no notification, no approval. Here’s how to audit your ASINs, use the new Item Highlights field to recover your keywords, and know when Amazon has already made changes to your listings.
