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Leithen Lane

Stop losing the customers you already paid to win.

Free tools and no-jargon guides on customer retention, for people running real ecommerce and subscription businesses. Not enterprise brands with a CRM team.

Work out what a customer is worthFree, no signup, about thirty seconds.

The first of a growing set

What is a customer actually worth to you?

Not what they spent today. What they will spend for as long as they stay. The calculator handles both repeat purchase and subscription businesses, then shows you what happens to the number if you keep people a little longer. The maths is never gated.

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Customer lifetime value, explained properly

What LTV actually is, how to calculate it for repeat purchase and subscription businesses, what a good one looks like, and why it changes every decision you make.

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A customer is not worth what they spend today. They are worth everything they might spend for as long as they stay.

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One email every couple of weeks on keeping the customers you already have. Written by someone who ran the systems rather than sold them. No spam, unsubscribe whenever.

If you want more than free content

Two ways to work together on the same problems, when reading about it is not enough.

Fix the Leak

A No-Jargon Guide to Customer Retention for Ecommerce Founders. Everything here, in order, in one place.

About the book