The 1P-to-3P margin math nobody shows you.
A working spreadsheet and the 18 line-items that decide whether Vendor-to-Seller recovers 8 points of margin — or costs you 4.
Every piece here was written by a partner or senior operator, published once, edited by another. If you want the full argument, the spreadsheet, the benchmarks — it’s free below.
A working spreadsheet and the 18 line-items that decide whether Vendor-to-Seller recovers 8 points of margin — or costs you 4.
5-10 publications and creators are getting cited for your entire category in Google AI Overviews. Here’s…
Read →
Hand tool category math broke for ASPs under $22 in 2026. Here’s the contribution-margin floor by…
Read →
Chewy’s ad auction in 2026 clears at 38% lower CPCs than Amazon for equivalent intent, …
Read →
Knife and cutlery query intent on Amazon rerouted hard in Q1 2026. Here is the 2026…
Read →
Selling supplements on Amazon in 2026 is a three-track parallel job, registration, claims, and inventory.…
Read →
2026 FBA fee changes cost the median 7-figure brand $87,400 in annualized margin. We modeled 47…
Read →
$9.2B in TikTok Shop GMV in Q1 2026, up 41% YoY. Here is the category-by-category share…
Read →
Pet food contribution margin compressed 340 basis points in Q1 2026 while treats expanded 210. The…
Read →
Across 18 outdoor brands, category-anchor CPCs rose 38% in Q1 2026 while ROAS fell 22%. The…
Read →
62% of ecommerce sites we audited in 2026 fail Google’s Rich Results test on Product schema.…
Read →
DSP defensive bidding looks like a separate line item. It isn’t. It’s a Sponsored Brands hedge.…
Read →
We tracked Pro Seller Badge before-after conversion rate across 22 brands. The lift is real but…
Read →
The content Clearsight puts out is the most honest, practical marketplace education I’ve found. They write like people who actually run accounts — not like people trying to sell a course.