amazonfulfillmentfeecalculator offers sellers a detailed breakdown of all fees associated with Amazon’s FBA service. It includes monthly storage, order handling, and weight-based fulfillment fees, allowing users to analyze their potential profit margins. This tool is crucial for product selection and helps prevent underpricing. Many sellers use it to simulate different pricing strategies or compare FBA with Fulfilled by Merchant (FBM) costs. With marketplace competition increasing, a clear understanding of fulfillment fees can make the difference between success and loss.