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The SellersNest blog

returns Guides for Sellers

Plain explanations of what selling online actually costs, with the calculator that answers each one.

Online seller inspecting a holiday return beside a four-day refund calendar AmazonFBM

Amazon FBM Holiday Returns 2026: Refund Workflow and Cost Reserve

Plan Amazon FBM holiday returns, inspections and refund cash flow for 2026. SellersNest· Read Online seller reviewing returned packages and ecommerce return rate metrics ecommercereturns

Ecommerce Return Rate: How to Calculate It and Reduce Avoidable Returns

Learn how to calculate ecommerce return rate, measure the real cost of refunds, find avoidable causes and reduce returns with better listings and packaging. Read