4. LTV & Efficiency

Section four puts a dollar figure on retention. Enterprise customers carry roughly 4,250x the lifetime value of Starter accounts, once you factor in both what they pay and how rarely they churn. I also tracked the Quick Ratio (growth efficiency) across the full 3-year window it never dropped below 1.0, though it's clearly maturing from early triple-digit swings into a steady 2-5x range.

Full breakdown, SQL, and the Power BI dashboard: github.com/MZT49/leaky-bucket-saas-churn