net margin - BrizoMarket

How to Calculate the True Net Margin per Order After Packaging, Last-Mile Fees, and Payment Gateway Charges

October 18, 2026

Gross margin tells you what a product costs to make — not what it costs to sell. This guide walks through a structured, five-layer method for calculating true net margin per order across Shopify, Shopee, Lazada, and TikTok Shop, accounting for packaging, last-mile delivery, payment gateway fees, and platform commissions.

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.