Field Notes
Practical notes on reading marketplace exports, charting seller performance, and briefing the people who move stock.

Reading a returns column without guessing
How to separate packaging damage, size mismatch, and ‘changed mind’ before you redesign a listing.
When a promotion week ruins your baseline
Shade the calendar before you celebrate a conversion lift — or panic about a dip.

Briefing warehouse and ads from one page
Why contribution margin and late-dispatch charts belong in the same meeting as sponsored spend.