
Thomas Lalas
Retention strategist for 8-9+ figure e-commerce brands
Summary
Work
Education
Projects
Writing
Retention Economics: Why growth is impossible without it
January 1, 2026Article summarizing core concepts from Retention Economics including leaky vs. compounding growth, RCM metric, and the importance of the first 14–30 days for subscription brands.
The First 30 Days: Where Your Retention Is Won or Lost
January 1, 2026Guide on engineering post-purchase belief and onboarding across the pre-delivery and first 14 days to improve 30-day repurchase rates and reduce early churn.
The 6 Levers for Retention-Backed Growth In 2026
January 1, 2026Outline of six strategic levers (Net Revenue, 30-day repurchase rate, hidden revenue, COGS, CAC, fixed OpEx) used to build retention-backed, cash-flow-positive growth.
Retention Economics: How Repeat Customers Are the Key to Escaping Survival Mode & Unlocking Compound Growth
January 1, 2025Book presenting frameworks and metrics (e.g., Retention Contribution Margin, The Vitruvian, 6 levers) for building subscription-first, retention-driven ecommerce businesses that convert one-time buyers into repeat customers and improve cash flow.