How We Cut CPA by 75% for a Premium E-Commerce Brand

How We Cut CPA by 75% for a Premium E-Commerce Brand
From $120 to just $30 per acquisition while TRIPLING ad spend. Swipe to see exactly how we did it. 👇
The Challenge: $120 CPA Was Killing Margins
47 ad sets
With 80% audience overlap causing wasted spend
Creative fatigue
Top ads running 4+ months with relevance scores below 4/10
Step 1: Audience Architecture Overhaul
Consolidated 47 ad sets into just 5 super-audiences
Introduced tiered exclusions to eliminate overlap
Reduced frequency below 2.1
Step 2: Creative Testing Machine
3-week sprint cycles
6 new static + 3 new UGC videos per cycle
Early kill metrics
CTR <1.2% or Thumb-stop rate <15% within 48h
Winners: "Before/After" UGC and 15-second "unboxing feel" Reels
Step 3: Bid & Budget Restructuring
Meta: Highest-value + cost cap at 1.2× breakeven CPA
Google: Target ROAS 450% with device-level adjustments
Implemented dayparting based on GA4 revenue heat maps
Step 4: Landing Page Optimization
2.1s
Mobile Load Time
Down from 5.8s
4
Checkout Fields
Reduced from 11
Added Shop-Pay, PayPal Express, and dynamic product reviews
Step 5: Measurement & Feedback Loops
Deployed server-side GTM to recover 18% iOS-14 data loss
Built Looker Studio dashboard with 4-hour refresh
Email/SMS capture rate: 18% (up from 6%)
The Results After 7 Months
75%
CPA Reduction
From $120 to $30
206%
Spend Increase
While maintaining 4.2× ROAS
124%
Conversion Rate
From 2.1% to 4.7%
Tech Stack That Made It Possible
Meta Ads + Google Ads
Shopify + Recharge
GA4 + Looker Studio
Klaviyo + Judge.me
Ready to Cut YOUR CPA by 75%?
We're now expanding this proven framework to TikTok Shop and Pinterest, forecasting an additional 20-25% scale at ≤$33 CPA.
Tag a brand that needs to stop wasting ad spend and share this with your marketing team! 👇