The Margly Journal

Where the money actually flowsin your e‑shop.

Practical pieces on running an e-shop that actually makes money — margins, ad spend, ROI.

Revenue is a marketing number. This is the truth about your margin.

Median e-commerce margin is 3 %, 62 % of SKUs lose money, real CAC tends to be 30–60 % higher than what Meta shows. How to find your real number.