Module 1: After the Sale · Lesson 1 of 3

Why Retention Is Part of the Funnel

The funnel doesn't end at checkout. Retention multiplies the value of every customer you acquire.

1 min readUpdated 2026-09-27

Lesson objectives

  • Calculate a simple lifetime value
  • See how retention affects acquisition budgets

Lifetime value in one line

A simple estimate: average order profit × average number of purchases per customer. The higher this number, the more you can afford to spend acquiring customers - and the more resilient the business.

  1. Acquire
  2. Convert
  3. Onboard
  4. Retain
  5. Refer
The extended funnel

Action steps

  1. Estimate your average lifetime value

Checklist

  • LTV estimated
  • Repeat purchase rate known

Related resources