A Shopify jewelry brand had 70%+ margins and room to scale — but feared diminishing returns. POAS by budget tier showed exactly how far it could push.
Store
Shopify
Ads
Google Ads
Duration
90 days
The challenge
With fat margins, the brand could afford aggressive acquisition — but did not know where incremental spend stopped being profitable. Flat targets left growth unrealized while risking overspend at the margin.
Approach
Mapped true margins including materials and packaging.
Measured POAS at rising budget tiers.
Identified the tier where incremental POAS crossed the floor.
Scaled to that ceiling with profit-weighted bidding.
Reserved budget headroom for proven hero SKUs.
Performance
POAS by budget tier
Profit Bid
POAS declines with scale but stays above break-even until ~€36k — the profitable ceiling the brand scaled to.
Ad budget€27k/mo
+125% scale
POAS (blended)212%
Still well above floor
Gross profit/mo€72k
Profitable scaling
Results
Ad budget
€12k/mo→€27k/mo
+125% scale
POAS (blended)
268%→212%
Still well above floor
Gross profit/mo
€41k→€72k
Profitable scaling
Incremental POAS
n/a→148%
At the new ceiling
“We knew we had margin to spend but not where to stop. Seeing POAS by budget tier told us exactly how hard to push.”
Stack
ShopifyGoogle Ads Search + PMaxProfit Bid Growth
Pricing
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Starter
$14.99/ month
$29
For one store getting started with profit-based bidding