28 Aug 2026 · Margin desk · 5 min read
The fee tier that turned six SKUs negative
An agency ran ads against loss-making inventory for five weeks. Every dashboard they owned looked healthy the whole time.
Anonymised · numbers unchanged
Amazon case files: what was missed and which agent caught it
Account shape, what was missed, which agent caught it, what changed. Anonymised, but the numbers are the real ones.
Case files, not logo walls
Same structure every time: account shape, what was missed, which agent caught it, what changed. Anonymised accounts, labelled as such.
FILE 01
Account shape
Agency, 14 brands, home & kitchen, $310k/mo blended spend
What was missed
A size-tier fee change turned 6 SKUs negative in August. Ads kept running for five weeks.
Caught by
Margin, then Spend
What changed
$17,400 SPEND REDIRECTED · MARGIN +2.1 PTS
FILE 02
Account shape
Aggregator, 3 brands, 1,100 SKUs, FBA-only
What was missed
Unreconciled inbound units accumulating across 41 shipments over two quarters.
Caught by
Recovery
What changed
$4,180 REIMBURSED · WEEKLY RECONCILIATION
FILE 03
Account shape
Direct brand, 42 SKUs, supplements, one in-house AM
What was missed
A competitor price cut at 02:40 that cost buy box share before anyone logged in.
Caught by
Rival + The Bridge
What changed
BUY BOX RECOVERED IN 9 HOURS, NOT 4 DAYS
Case File 01, in full
The fee-tier case traced end to end, and the shift printout the other two came off.
Connect one account, read-only. See seven days of what the agents would have caught.
That is the Decision Audit. No configuration, no write access, no call required to start.
Manifest — what lands in your inbox
01Every decision the seven agents would have surfaced, timestamped.
02The money attached to the ones you missed.
03The reasoning chain for each, so you can check our work.
04A read-only audit log of everything we touched.