Amazon FBA Fees 2026: Bidding, Remeasurement, Pan-EU & Customs Changes

Amazon FBA 2026: The Key Changes at a Glance

The landscape of Amazon FBA in 2026 is more complex than ever. Sellers are facing a series of new cost structures and compliance requirements that directly impact profitability. The most notable changes include: a new pay-for-placement model for same-day delivery, a silent remeasurement program that can increase fees by up to 30% without clear notification, expanded Pan-European listing mandates, stricter customs rules for international shipments, and a cumulative fee increase averaging $0.08 per unit. Each of these changes requires sellers to adapt their logistics and pricing strategies.

Amazon Sub Same Day Bidding: A New Pay-for-Placement Model

The key change is that Amazon has launched a program allowing FBA sellers to bid per unit to place products in its Sub Same Day network, giving them control over visibility and delivery speed for the first time.

In late August 2026, Amazon began inviting sellers to bid a per-unit price to secure placement in its Sub Same Day fulfillment network, as reported by The Conveyor. This marks a significant shift from Amazon's traditional fee structure, where fulfillment costs were fixed by size and weight. Now, sellers can essentially pay extra for faster delivery and increased product visibility, creating a dynamic pricing environment similar to advertising auctions. The program is invitation-only at launch, but it signals a broader trend toward variable fulfillment costs tied to seller demand. Sellers who participate can potentially gain a competitive edge in conversion rates, but must carefully calculate the per-unit bid against their margins.

The Hidden Cost of FBA Remeasurement in 2026

The most alarming change for many sellers is that Amazon's FBA remeasurements—which silently reclassify products into higher size tiers—have been shown to increase fees without transparent notification.

A detailed investigation by Velocity Sellers published on September 6, 2026, reveals that Amazon's automated product dimension and weight checks can shift an item into a more expensive tier, and the seller often doesn't notice until the next settlement report. The analysis found that these remeasurements can increase fulfillment fees by 20–30% per unit, and because the change is applied retroactively to all future shipments, the cumulative cost impact is substantial. Sellers are advised to track their fee changes manually and contest inaccurate measurements through Seller Support. The lack of a proactive notification from Amazon makes this a hidden cost that erodes margins.

Impact of FBA Remeasurement: Before vs. After (Example)

Metric	Before Remeasurement	After Remeasurement	Change
Size Tier	Small Standard	Large Standard	-
Fulfillment Fee	$3.50	$4.45	+27%
Storage Fee (per cubic ft)	$0.75	$0.85	+13%
Monthly Volume	1,000 units	1,000 units	-
Annual Cost Impact	$42,000	$53,400	+$11,400

Data based on typical scenario from Velocity Sellers analysis.

Pan-EU FBA: Expanded Listing Requirements for Sellers

Amazon is expanding its Pan-European FBA listing requirements, mandating that sellers offer all new and current Pan-EU FBA products on Amazon.nl starting September 3, 2026, with Amazon.com.be following in February 2027.

As covered by Innels on September 3, 2026, this policy change forces sellers who participate in Pan-EU FBA to make their listings available on the Netherlands marketplace. Failure to comply could result in removal from the Pan-EU program or limitations on storage in European fulfillment centers. This expansion is part of Amazon's broader push to unify its European marketplace network, but it adds complexity for sellers who previously focused on larger markets like Germany, the UK, France, Italy, and Spain. Sellers must now register for VAT in the Netherlands and potentially Belgium, and manage customer service and returns for those markets. The requirement for Amazon.com.be will follow in February 2027, giving sellers a few months to prepare.

Post-2025 Customs Compliance: No More Amazon as Importer of Record

A critical shift in customs compliance means that for most commercial FBA shipments, sellers must act as the Importer of Record and pay duties directly, as Amazon will no longer serve that role.

An article by Speedway Media from September 3, 2026, explains that Executive Order 14411 and the cessation of Amazon's prep services in early 2026 have fundamentally changed import procedures. Previously, Amazon would often facilitate customs clearance, but now sellers are responsible for formal customs entry with duties paid, even for shipments below the de minimis threshold. This change applies to all FBA shipments from outside the EU and the US, respectively. Sellers must now register as customs brokers or work with third-party logistics providers that can handle the entry process. The additional paperwork and potential duties can add $200–$500 per shipment, depending on the product classification. Neglecting these requirements can lead to shipments being held or returned at the seller's expense.

Full Stack of 2026 FBA Fees and the FBA vs. FBM Math

The 2026 fee updates include an average increase of $0.08 per unit, a 3.5% fuel and logistics surcharge, and changes to low-inventory fees and peak fulfillment fees.

An updated guide from Ecomranker (September 7, 2026) provides the most current breakdown of Amazon FBA fees. Here's a summary of the major fee changes:

2026 FBA Fee Changes at a Glance

Fee Component	2025 Rate	2026 Rate	Change
Base Fulfillment Fee (Small Standard)	$3.42	$3.50	+$0.08
Base Fulfillment Fee (Large Standard)	$4.36	$4.45	+$0.09
Fuel & Logistics Surcharge	2.5%	3.5%	+1.0%
Low-Inventory Fee (threshold)	14 days	14 days (unchanged)	Higher rates for <14 days
Peak Fulfillment Fee (Oct-Dec)	+$0.20	+$0.30	+$0.10
Monthly Storage Fee (standard)	$0.75/cu ft	$0.78/cu ft	+$0.03
Monthly Storage Fee (oversize)	$0.48/cu ft	$0.52/cu ft	+$0.04

Source: Ecomranker FBA Guide 2026.

These incremental increases add up. A seller shipping 10,000 units per month could see their annual fulfillment costs rise by $9,600 or more, before accounting for remeasurement or bidding expenses. This has prompted many sellers to reevaluate their FBA vs. FBM (Fulfilled by Merchant) strategy. For items with low margins or slow turnover, the combination of increased fees and stricter inventory regulations may make FBM more attractive. However, FBA still offers the Prime badge and higher conversion rates, so the decision must be made on a per-SKU basis.

What These Changes Mean for FBA Sellers in 2026

Taken together, the 2026 FBA changes represent a multi-front squeeze on seller profitability. The Sub Same Day bidding program offers a potential boost for sellers willing to pay, but it introduces complexity and cost. The remeasurement issue is a hidden tax requiring vigilant tracking. The Pan-EU expansion forces sellers into new markets with additional VAT obligations. Customs compliance shifts add logistical overhead. And the underlying fee increases raise the bar for sustainable product margins.

Sellers should take the following steps:

• Audit your fees regularly — Use reports to spot remeasurement changes.
• Re-evaluate your FBA vs. FBM mix — Use the full fee stack math for each SKU.
• If in Pan-EU, prepare for the Netherlands and Belgium — Register VAT and create listings.
• For international shipments, partner with a customs broker — Don't rely on Amazon's former role.
• Consider the Sub Same Day bidding program — But only if your margins can absorb the bid.

Conclusion

Amazon FBA in 2026 demands more active management than ever. The changes are not catastrophic on their own, but their cumulative effect requires sellers to stay informed and adapt quickly. By understanding each change—from the new bidding model to silent remeasurement costs—sellers can maintain profitability and continue to thrive on the platform.