07 // THE RETENTION LAB MONOGRAPH JOURNAL
Field Notes From Managing $310M+ in Owned Ecommerce Revenue.
Deep technical teardowns on Gmail/Yahoo inbox placement, SKU-specific replenishment timing, and conversational SMS economics.
Benchmark Your Store in Calculator →
FLOW ARCHITECTURE
The 14 Klaviyo Flows Every 8-Figure Shopify Brand Needs Before Scaling Meta Spend
Acquiring cold paid traffic into a 4-flow Klaviyo account leaks up to 31% of contribution margin in the first 60 days.
24.8% Gross Rev From Flows Alone
8 Min Read
DELIVERABILITY
2026 Gmail & Yahoo Primary-Tab Deliverability: DMARC, BIMI & Bot-Click Exclusion
Apple MPP and security scanner bot clicks inflate false engagement segments, tricking brands into mailing unengaged profiles until Gmail throttles domain reputation.
+19.4% Open-Rate Recovery
6 Min Read
COPY & CRO SCIENCE
Plain-Text Founder Winbacks vs. Heavy HTML: Empirical 72-Brand Cohort RPR Study
Lapsed customers ignore glossy promotional banners. Intimate plain-text notes sent from a founder alias land in Gmail Primary and spark genuine replies.
2.3x Higher 90-Day Winback RPR
7 Min Read
SMS & SUBSCRIPTIONS
Two-Way SMS Replenishment & Recharge Skip Prompts: Scaling SMS Without List Burn
Treating SMS as a megaphone for 20%-off blasts destroys subscriber goodwill. Utility-first replenishment and 1-reply subscription control compound LTV.
-41% SMS Unsubscribe Rate
6 Min Read
01 // RETENTION LAB
Lifecycle Home (/)
Klaviyo Master Strategists (/about)
Open CRM & Copy Roles (/careers)
12-Station Owner Manual (/guide)
02 // PODS & COHORT PROOF
Lifecycle Flow Pods (/services)
Monthly Retainer Pods (/pricing)
Shopify Cohort Case Studies (/work)
Lifecycle Monographs (/insights)
© 2026 RETENTION LAB · KLAVIYO MASTER ELITE & POSTSCRIPT PARTNER · +$45K 90-DAY OWNED REVENUE GUARANTEE