Amazon's 2026 FBA fee increases took effect January 15, 2026. The average increase is $0.08 per unit sold, but the range is $0.00 to $0.51 depending on product size and price. That spread matters: a brand selling 40,000 units per year of a $28 small standard product will pay an extra $10,000 in FBA fees in 2026 with no added service.

Beyond the headline fulfillment fee increase, Amazon made four operational changes that affect margin and cash flow:

• FBA prep and labeling services ended January 1, 2026
• Low-inventory-level fees now calculate at the individual FNSKU level, not parent ASIN
• Aged inventory fees increased by $0.15 to $0.30/unit/month for products stored 12+ months
• Inbound defect fees jumped from $0.02 to $0.07/unit up to $0.32 to $5.72/unit depending on size and error type

For long-tenured sellers, Amazon also shifted to a DD+7 payout schedule (7 days after confirmed delivery date instead of post-shipment), creating a one-time cash-flow gap and ongoing working-capital pressure.

This guide explains what changed, which fee categories hit hardest, and what sellers can do before the next fee cycle.

What Changed in Amazon FBA Fees for 2026

Effective Dates Sellers Need to Know

• January 1, 2026: FBA prep and labeling services ended
• January 15, 2026: FBA fulfillment fee increases, SIPP packaging fees, inbound placement fee increases
• March 12, 2026: DD+7 payout schedule shift for long-tenured sellers

Average Fee Increase and Where Amazon Says It Applies

Amazon frames the 2026 FBA fulfillment fee increase as an average of $0.08 per unit, or less than 0.5% of the average selling price. Amazon stated this is "significantly less than inflation" and below the 3.9 to 5.9% annual increases from UPS and FedEx over the past two years. Amazon also noted there were no fee increases in 2025 (a fee freeze year) and no new fee types introduced in 2026.

That average hides a wide range. Small standard products above $50 see a $0.51 per unit increase. Large standard products below $10 see no change.

Which 2026 Amazon Fees Matter Most to Brands

Fulfillment Fee Changes by Size Tier and Price Band

The $50 Price Cliff

Products priced just above $50 face the steepest increases. If you sell a product at $49.99, avoid price increases that push it above $50 and trigger the higher fee tier. Products already priced above $50 may need to price significantly higher to offset the fee jump.

Small Bulky Size Tier Opportunity

The Small Bulky tier (longest side 18 to 37" or 20 to 50 lbs) is a material cost reduction for qualifying products. Items that were previously classified as Large Standard above 3 lbs or Large Bulky now see fee decreases of 21 to 23%.

Low-Inventory-Level Fee Updates

Amazon's low-inventory-level fee now calculates at the individual FNSKU level instead of parent ASIN. This means a brand with 15 color variations could have one underperforming variation trigger the fee even if overall stock is healthy.

The fee applies when a product's historical days of supply falls below 28 days. Fee range: $0.32 to $2.09/unit depending on size tier.

Who's exempt:

• New products with fewer than 26 weeks of sales history
• Products with fewer than 50 units sold in the trailing 13 weeks

Aged Inventory and Storage Cost Changes

Fee for inventory aged 12 to 15 months rose by $0.15 to $0.30/unit/month. Inventory 15+ months old faces $0.35/unit OR $7.90/cubic foot, whichever is greater.

For brands with slow-moving seasonal products, this can make removal or liquidation cheaper than continued storage.

Inbound Defect and Compliance-Related Costs

Inbound defect fees jumped from $0.02 to $0.07/unit in 2025 to:

• $0.32 to $1.74/unit for standard-size products
• Up to $5.72/unit for bulky products

Misrouted, deleted, or abandoned shipments now carry material financial penalties. Sellers must audit prep and inbound compliance processes before every shipment.

Referral-Fee Context and What Did Not Change

Amazon referral fees did not increase in 2026. The referral fee structure remains the same as 2025 for most categories.

Amazon Operational Changes Beyond the Headline Fee Increase

End of FBA Prep and Labeling Services

Amazon no longer labels, poly-bags, bubble-wraps, boxes, or applies stickers to products. Every unit must arrive fully compliant.

Shipments created after January 1, 2026 that arrive non-compliant risk:

• Rejection and return fees
• Zero reimbursement if lost or damaged
• Inbound defect fees

Brands that relied on Amazon's prep services for 200+ SKUs must now build or outsource an entire prep operation.

Profit Analytics, Revenue Calculator, and Preview Tools

Amazon launched three tools to help sellers model fee impact:

• Profit Analytics dashboard: Real-time profitability tracking with 2026 rates
• Revenue Calculator: Updated with 2026 preview rates for SKU-level modeling
• Fee and Economics Preview Report: Pre-shipment fee estimates

These tools let sellers recalculate contribution margin before placing large inventory orders.

Payout Timing and Cash-Flow Considerations

The DD+7 payout schedule shifts seller payouts from post-shipment to 7 days after confirmed delivery date. This primarily affects long-tenured North American sellers on legacy payout arrangements.

A seller doing $500K/month in FBA revenue will see an estimated 7 to 10 day delay in receiving funds, which could require $100K+ in additional working-capital reserves depending on restock cycles and ad spend.

How the 2026 Fee Changes Affect Margin by Seller Profile

Small Standard-Size Products

Scenario: Mid-priced small standard product at scale

A brand selling 40,000 units/year of a $28 small standard product faces a $0.25/unit increase.

Higher-Priced Standard-Size Products

Scenario: Premium product above $50

A brand selling 20,000 units/year of a $79 small standard product sees a $0.51/unit increase.

Slow-Moving or Bulky Inventory

Brands with inventory aged 12+ months now face $0.15 to $0.30/unit/month in higher surcharges. For slow-turning products, the storage cost can exceed the sale price within a year.

Removal or liquidation becomes the rational choice when aged inventory fees + standard storage fees exceed the marginal profit from holding inventory.

Brands with Lean Replenishment Models

Brands that operate on tight days-of-supply targets may trip the low-inventory-level fee under the new FNSKU-level calculation. A parent ASIN with 10 variations might show healthy stock at the parent level but have 2 to 3 variations below the 28-day threshold.

Tighter forecasting by variation is now required, not just by parent ASIN.

How to Prepare Before the Next Fee Cycle Hits

Recalculate Contribution Margin by SKU

Use Amazon's Revenue Calculator with 2026 rates to model the fee impact on every active SKU. Sort by units sold and start with the top 20% of SKUs by volume.

For products with thin margins (under 15%), the fee increase may turn a profitable SKU into a loss leader. Raise prices, fix packaging, or discontinue the SKU.

Fix Packaging and Dimensional Inefficiencies

Products near the size-tier boundaries can save $0.50 to $2.00/unit by reducing package dimensions or weight.

Example: A product that ships in an 18.5" box and qualifies as Large Standard could drop to Small Standard by trimming the box to 17.5", saving $0.50 to $1.50/unit depending on weight and price.

Tighten Replenishment and Days-of-Supply Planning

To avoid low-inventory-level fees, maintain at least 28 days of supply at the FNSKU level. Use trailing 90-day sales data to forecast variation-level demand. For more on supply chain management and inventory planning, see our dedicated resource.

For products with seasonal or uneven demand, build buffer stock during low-demand periods to avoid stockouts during peak windows. Consider reviewing common inventory management strategies to find the right approach for your catalog.

Audit Prep, Labeling, and Inbound Compliance Processes

Non-compliant shipments now trigger inbound defect fees of $0.32 to $5.72/unit. Every shipment must meet Amazon's labeling, packaging, and routing requirements.

If you relied on Amazon's prep services, you'll need to:

• Find a third-party prep provider
• Build in-house prep capacity
• Train warehouse staff on Amazon's compliance standards

Decide When FBA, FBM, or Hybrid Fulfillment Makes Sense

For products with low velocity, high storage costs, or thin margins, Fulfillment by Merchant (FBM) or a hybrid model may be more profitable than FBA.

Run a break-even analysis:

• FBA cost per unit (fulfillment + storage + low-inventory fee risk + aged inventory fee risk)
• FBM cost per unit (3PL storage + pick/pack/ship + return handling)
• Gross margin difference

If FBA costs exceed FBM costs by more than 5% of sale price, test FBM on a subset of SKUs.

For brands that need FBA efficiency but want to reduce fee exposure, working with a partner like SupplyKick can help. SupplyKick manages the full FBA operation (inventory planning, prep compliance, inbound shipment creation, fee optimization) while you focus on product development and marketing. This reduces the internal resource burden and minimizes fee-related margin erosion.

Frequently Asked Questions

What are Amazon FBA fee changes for 2026?

Amazon increased FBA fulfillment fees by an average of $0.08/unit, with a range of $0.00 to $0.51 depending on product size and price. The increases took effect January 15, 2026. Additional changes include the end of FBA prep and labeling services, higher aged inventory fees, higher inbound defect fees, and a shift to FNSKU-level low-inventory-level fee calculation.

When do the 2026 fee changes take effect?

• January 1, 2026: FBA prep and labeling services ended
• January 15, 2026: FBA fulfillment fee increases, SIPP packaging fees, inbound placement fee increases
• March 12, 2026: DD+7 payout schedule shift for long-tenured sellers

Are Amazon referral fees increasing in 2026?

No. Amazon referral fees did not increase in 2026. The referral fee structure remains the same as 2025 for most categories.

How can sellers reduce the impact of Amazon fee increases?

Sellers can:

• Recalculate contribution margin by SKU and adjust pricing where needed
• Fix packaging inefficiencies to drop into lower size tiers
• Maintain at least 28 days of supply at the FNSKU level to avoid low-inventory fees
• Audit inbound compliance to avoid defect fees
• Evaluate FBM or hybrid fulfillment for low-velocity or high-storage-cost SKUs
• Work with a partner like SupplyKick to manage FBA operations and fee optimization

Is Amazon ending FBA prep and labeling services?

Yes. Amazon ended FBA prep and labeling services on January 1, 2026. Sellers must now label, poly-bag, bubble-wrap, box, or apply stickers to every unit before shipping to Amazon. Non-compliant shipments risk rejection, return fees, or zero reimbursement if lost or damaged.

What is the Amazon low-inventory-level fee in 2026?

The low-inventory-level fee applies when a product's historical days of supply falls below 28 days. The fee is now calculated at the individual FNSKU level, not the parent ASIN. Fee range: $0.32 to $2.09/unit depending on size tier. New products with fewer than 26 weeks of sales history or fewer than 50 units sold in the trailing 13 weeks are exempt.

What is the $50 price cliff?

The $50 price threshold is where FBA fulfillment fee increases jump significantly. Small standard products priced above $50 see a $0.51/unit increase vs. $0.25/unit for products priced $10 to $50. If you sell a product at $49.99, avoid price increases that push it above $50 and trigger the higher fee tier. Products already priced above $50 may need to price significantly higher to offset the fee jump.

What is the Small Bulky size tier?

Small Bulky is a size tier for products with longest side 18 to 37" or weight 20 to 50 lbs. Products that qualify for Small Bulky see FBA fee decreases of 21 to 23% compared to the old Large Bulky tier. This is one of the few fee reductions in the 2026 update.

Reimbursement Policy Change: Manufacturing Cost Basis

What Changed in Reimbursement Policy

Starting in 2025 (with ongoing impact in 2026), Amazon changed its reimbursement policy for lost or damaged inventory. Reimbursements are now based on manufacturing or sourcing cost, not retail selling price. Sellers must provide cost documentation or accept Amazon's estimates.

This reduces the financial recovery for high-margin products lost in FBA. Factor this into inventory risk planning. For high-value, high-margin SKUs, additional insurance or FBM may make more sense than standard FBA.

Additional Fee Changes for Multi-Channel Sellers

Buy with Prime Cost Increase

Buy with Prime fees increased by an average of $0.24/unit. This affects brands using Amazon's Buy with Prime service on their direct-to-consumer websites.

Multi-Channel Fulfillment (MCF) Fee Increase

MCF fees increased by an average of $0.30/unit. Brands using Amazon's fulfillment network for non-Amazon orders should recalculate MCF economics vs. third-party 3PLs.

Amazon Warehousing & Distribution (AWD) Fee Increases

• AWD West Region Storage: $0.57/cubic foot/month (19% increase)
• AWD Transportation Base Rate: $1.15 to $1.40/cubic foot (22% increase)
• AWD Managed Transportation: $1.04 to $1.26/cubic foot (21% increase)

Brands using AWD as a buffer storage layer should model the cumulative cost of AWD storage + AWD transportation + FBA fulfillment to ensure the total landed cost still makes sense. For a deeper look at the Amazon Warehousing and Distribution program, see our dedicated guide.

What This Means for Your FBA Strategy

Putting It All Together

The 2026 FBA fee changes are not catastrophic, but they're not trivial either. An $0.08/unit average increase sounds manageable until you multiply it by annual volume and realize it's $8,000 to $10,000 in margin erosion for a mid-sized SKU.

The bigger operational risks are:

• Prep service removal (compliance risk)
• Inbound defect fee escalation (cost of error)
• Low-inventory fee at FNSKU level (forecasting complexity)
• DD+7 payout delay (cash-flow gap)

Sellers who recalculate margin by SKU, tighten replenishment planning, and audit inbound compliance will absorb the fee increases without major disruption. Sellers who ignore these changes will see margin compression, cash-flow strain, and unexpected defect fees.

If your brand needs help managing FBA operations, fee optimization, or inventory planning in light of these changes, talk to our team. We handle the full FBA operation so you can focus on product development and growth.

Connect with our team about your FBA strategy