marketplace-fee-reconciliation

Installation
SKILL.md

Marketplace Fee Reconciliation

Overview

Selling on marketplaces like Amazon, eBay, Walmart, and Etsy introduces a complex layer of fees that significantly impact net profitability. Amazon alone has over a dozen distinct fee types: referral fees, FBA fulfillment fees, storage fees, advertising fees, return processing fees, and more. These fees are deducted before disbursement, making it easy to lose track of how much of your gross revenue actually reaches your bank account.

Fee reconciliation is the practice of matching marketplace settlement data against your expected fee schedule, verifying that you have been charged correctly, and computing true net revenue by SKU and category.

This skill guides you through downloading settlement reports from each major marketplace, reconciling fees against expectations, and using dedicated tools to automate this process.

When to Use This Skill

  • When selling on Amazon, eBay, Walmart, or Etsy and needing to understand true net revenue
  • When suspecting FBA fulfillment fee overcharges due to incorrect product dimensions
  • When reconciling marketplace payouts against your GL on a monthly basis
  • When computing true contribution margin per SKU by channel including marketplace fees
  • When evaluating whether to move products from FBA to FBM (fulfilled by merchant)
  • When building a multi-channel profitability model with normalized fee data
Related skills
Installs
32
GitHub Stars
20
First Seen
Mar 16, 2026