AuditFBA
Reconciliation Knowledge Base

Amazon FBA Reimbursement Guides & Dispute Playbooks

Step-by-step guides for Amazon private label brands, brand aggregators, and e-commerce CFOs to identify uncredited discrepancies, audit Seller Central reports, and recover cash.

★ Essential Guide 9 min read

Amazon FBA Reimbursement Playbook: Reason Codes (M, F, E, D, P, Q) & 30-Day Policy

The definitive technical guide for Amazon sellers: how to cross-reconcile lost (M) and found (F) inventory past the 30-day window, warehouse-damaged units (E, D, P, Q), the 45-day customer return policy, and copy-paste Seller Support case templates.

Read Comprehensive Playbook & Download Templates
Fee Analysis Interactive Tool

GETIDA 25% Fee vs Flat $29: Keep 100% of Your Reimbursements

Compare contingency recovery fees against our flat appliance model. See how a seller recovering $4,000 saves $971 while keeping zero third-party API tokens attached to Seller Central.

Launch Fee Calculator
Carrier DIM Standards 5 min read

Dimensional Weight Explained: Divisor 139 vs 166

Understand carrier and Amazon FBA dimensional weight formulas ((L×W×H)/139), the financial variance between divisors, and why optical Cubiscan dimension rounding creates systematic fee inflation.

Explore Formula Guide
Fee Audit Interactive Tool

FBA Size Tier & Cubiscan Inflation Calculator

Enter your packaged product dimensions to determine your official Amazon size tier and expected FBA fee. Generate an official Cubiscan Remeasurement ticket in 1 click.

Open Size Tier Calculator
Surcharge Audit 6 min read

Peak Season Surcharges: Exact Cutoff Dates & How to Dispute

Learn why warehouses erroneously bill holiday demand surcharges between February and September, the standard calendar windows (Oct 15 – Jan 15), and how to claim back 100% credits.

Read Dispute Playbook

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