Situation
Founder running paid social + organic IG with steady revenue but Meta CAC creeping up over 6 months. Klaviyo set up but only sending broadcasts; abandoned cart on default Shopify only. ROAS sliding past frequency 3.
Delta
After deploy: 3-tier retargeting ladder live in Meta + Klaviyo re-engagement flow + WA recovery. Suppression matrix prevented same-customer-3-channels overlap. Meta frequency caps held at 3.5; reported blended CAC moved [REDACTED]% over 30 days.
"What surprised me was the suppression doc — I thought it was the retargeting ladder that would matter. The not-overlapping-the-customer thing turned out to be the whole game."