Marine Care · Google Ads, Meta Ads, Amazon PPC · 7 years
Shurhold
Seven years on one account. Over the last two, spend rose 35% and revenue rose 44% — the extra money worked harder than the money already in the account, which is the opposite of what usually happens when you scale.
$112,278
Managed spend
$403,688
Revenue tracked
3.6x
Blended return
7 yrs
On the account
The account
Boring on purpose
Marine cleaning and detailing products, sold to boat owners. Monthly spend in the second year sat between $5,079 and $5,896 — a band of about 16%. That flatness is the result, not a missing chart.
The numbers
Efficiency improved while scaling, not despite it
Year one: $47,874 of spend returned $165,556, a 3.5x return. Year two: $64,404 returned $238,132, a 3.7x return. Spend rose 35% and revenue rose 44% — revenue grew faster than spend, which is the whole claim.
Why did adding spend work here?
Because the account had headroom it was not using. The extra $16,530 brought in $72,576, a marginal return of 4.4x against a 3.6x blended average. When the marginal figure sits above the average, the account was under-funded rather than over-extended, and the right move is more budget, not better targeting.
That is the single most useful diagnostic I run, and it points in opposite directions on two accounts I manage at the same time. On The Lifeguard Store the marginal return came in far below the average, which said the opposite: that account was buying the expensive end of its demand. Same question, same arithmetic, contradictory answers — which is why it gets asked per account rather than assumed.
The unglamorous part
- Seven years is the interesting number, and it is not a performance metric. It means the account got attention in the quiet quarters, which is most of them.
- This is not a turnaround story. Nothing was broken. The work was keeping a working account working while it grew, which sells badly and pays well.
- A 3.6x return suits this margin structure. It would be a poor result for a brand with different economics. Return targets are set by gross margin and repeat rate, not by what another store reports.
What this involved
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