Observed arrival · 2026-09-08
SurchargeTrace Follows the Shipping Charge
A practical guide for tracing unexpected USPS, UPS, FedEx, Shopify, Etsy, and Pirate Ship adjustments back to the carrier rule and its arithmetic.
Field notes
The project organizes an adjustment investigation around the carrier’s claim about a parcel, rather than treating the statement amount as self-explanatory. Its examples distinguish checkout charges from label prices and direct sellers toward package measurements and Shopify settings. The homepage also specifies that dimensional-weight cases should expose the divisor, rounding step, and threshold-crossing measurement, while its update list includes a 1,728-cubic-inch check and three Shopify adjustment articles.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
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