returns management - BrizoMarket

How to Build a SKU-Level Cost Card That Captures Every Variable Cost Before You Set a Selling Price

September 24, 2026

Most e-commerce businesses set prices without accounting for every variable cost, leaving margin to erode through fulfilment fees, platform commissions and return costs. A SKU-level cost card fixes this by documenting every per-unit cost before you set a selling price — across Shopify, Shopee, Lazada and TikTok Shop.

E-commerce Analytics

How to Track Return Rate by Channel and Calculate Its True Impact on Net Margin

September 17, 2026

Most e-commerce operators know their blended return rate but have no idea how it splits by channel. This guide shows you how to track return rates across Shopify, Shopee, Lazada and TikTok Shop, calculate the true cost of every return, and rebuild your contribution margin model so you can see which channels are actually making money — and which are quietly destroying it.