Which of your eBay listings lose money on July 12?
On July 12, 2026, USPS eliminates the cheap 4 oz / 8 oz tiers for Ground Advantage Commercial — every package under 1 lb gets billed at the 12–15.99 oz rate (~$6.16+ at Zone 1, more for distant zones) instead of the old $5.50 / $6.03 light-item price. Upload your eBay active-listings CSV to see exactly which listings will start losing money — in 30 seconds, free, right in your browser.
⏰ USPS change takes effect July 12, 2026
1. Upload your eBay active-listings CSV
Drag & drop your CSV here, or click to choose a file
Seller Hub → Listings (or Reports) → Download → Active listings report (.csv). Nothing leaves your computer.
Don't have a CSV handy? Try it with sample data →
2. Confirm your columns
We auto-detected these from your file. Adjust if anything looks off, then run the audit.
Default $6.16 ≈ the 12–15.99 oz Ground Advantage commercial rate at Zone 1 (local) — the price every sub-1 lb package gets after July 12. Distant zones cost more (the 15.99 oz tier reaches ~$8.40 at Zone 8); use ~$7.90+ for retail/Post Office pricing.
Your shipping-loss audit
Listings analyzed
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Will lose money
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Loss per sale (total)
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Listing
Status
Your shipping
July 12 rate
Loss / sale
"Free shipping" listings (shipping price $0) mean you absorb the postage — the rate increase comes straight out of your margin. They're flagged as Review because the loss depends on what you were paying before.
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What's changing on July 12, 2026
USPS is eliminating the cheap 4 oz and 8 oz tiers on Ground Advantage Commercial. Today a light item can ship in the 4 oz ($5.50) or 8 oz ($6.03) tier at Zone 1. After July 12, everything under 1 lb is billed at the 12–15.99 oz rate (~$6.16 commercial at Zone 1, more for distant zones; ~$7.90+ retail) — the cheaper sub-12 oz prices are gone. It's part of an ~11.8% average Ground Advantage Commercial increase.
If your flat shipping charge is below what USPS now costs, you eat the difference on every sale. A listing charging $4.99 shipping on a sub-1 lb item pays ~$6.16 to ship at Zone 1 — a ~$1.17 loss per order, and more to farther zones. The July 12 tier cut is what pushes the lightest 4 oz / 8 oz packages up into this floor.
Free-shipping listings are hit too — the postage you absorb just went up, straight off your margin.
Items 1 lb and over are largely unaffected by this specific change (their tiers stay). If your CSV has a weight column, map it and we'll skip those.
Buying labels through eBay, Pirate Ship, or a 3PL? The tier change is to USPS's published commercial price list. USPS says accounts with separately negotiated commercial rates aren't automatically affected — but most marketplace/platform rate cards track the published structure closely, so check your provider's July rate card. This tool screens against the published commercial floor.
Zone 1 (local) commercial rates; distant zones cost more (the 15.99 oz tier reaches ~$8.40 at Zone 8). On July 12 the 4 oz and 8 oz tiers are eliminated, so every sub-1 lb package is billed at the 12–15.99 oz rate (~$6.16 at Zone 1). Sources: USPS July 2026 price-change announcement and DimMath's published 2026 commercial rate table; confirm exact pricing for your zones at USPS Notice 123. This tool is a rough screen, not an official quote.