3PL Invoice Audit Guides & Dispute Playbooks
Step-by-step guides for e-commerce operators, supply chain managers, and CFOs to identify 3PL billing discrepancies, recover overcharges, and defend warehouse contracts.
Peak Season Surcharges: Exact Cutoff Dates & How to Dispute
Learn why warehouses mistakenly bill holiday demand surcharges between February and September, the standard calendar windows (Oct 15 – Jan 15), and how to claim back 100% credits.
ShipBob Billing Errors: Top 5 Hidden Fees to Watch
A comprehensive breakdown of the most common billing issues on ShipBob invoices: duplicate pick fees, dimensional weight ceiling rounding, pallet storage creep, and receiving labor hours.
Dimensional Weight Explained: Divisor 139 vs 166
Understand carrier dimensional weight formulas, the mathematical difference between commercial divisor 139 and retail 166, and why ceiling integer rounding causes frequent billing mismatches.
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