Ecommerce Ad Math: CAC, LTV, and the 3:1 Ratio That Buys Your Business | ecommerce ad math, customer acquisition cost, customer lifetime value | E-Commerce insight from Fat Wallet SalesEcommerce Ad Math: CAC, LTV, and the 3:1 Ratio That Buys Your Business | ecommerce ad math, customer acquisition cost, customer lifetime value | E-Commerce insight from Fat Wallet Sales
🛒E-Commerce3 min read▶ Video

Ecommerce Ad Math: CAC, LTV, and the 3:1 Ratio That Buys Your Business

Master ecommerce ad math. Learn to calculate CAC and LTV, and understand the crucial 3:1 ratio that dictates your ad spend profitability. Stop guessing, start

August 2, 2026·Fat Wallet Sales · The Playbook
TL;DR

Ecommerce profitability hinges on understanding your Customer Acquisition Cost (CAC) and Customer Lifetime Value (LTV), aiming for a crucial 3:1 LTV:CAC ratio to ensure sustainable growth and profitable ad spend.

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Ecommerce Ad Math: CAC, LTV, and the 3:1 Ratio That Buys Your Business

You're throwing cash at Facebook and TikTok ads, but are you actually making money? Ecommerce ad math isn't just about clicks and impressions. It's about cold, hard cash: Customer Acquisition Cost (CAC), Customer Lifetime Value (LTV), and the brutal 3:1 ratio that separates the winners from the broke. If you don't nail these metrics, you're building a house of cards that one ad account ban can collapse.

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ecommerce ad mathcustomer acquisition costcustomer lifetime valueCACLTVecommerce profitabilityad spendscaling ecommerce