The Journal

Field notes on post-purchase growth.

Practical writing on reorder timing, retention, and lifetime value — from operators who've run the brands, not just studied them.

All Blog Post-Purchase Retention LTV Measurement For Agencies
Post-Purchase
Post-Purchase

Why your post-purchase flows aren’t driving LTV

Most brands run the same post-purchase flows as everyone else and wonder why retention stays flat. The problem usually isn't the emails. It's the decisions behind them.

3 min read Jun 2026
Retention
Retention

The real reorder window: finding the day your customers actually rebuy

Day 30 is a guess. Your data knows the real number, and it's almost never round. How to find the reorder curve hiding in your order history.

2 min read May 2026
LTV
LTV

Klaviyo sends. It doesn’t decide. Here’s the difference.

Your ESP is brilliant at delivery and blind to decisions. Why the gap between sending and deciding is where most retention revenue leaks out.

2 min read May 2026
Measurement
Measurement

How to know whether your retention emails actually make money

"Revenue attributed" and "revenue caused" are very different numbers. A plain-English guide to measuring lift you can actually trust.

2 min read Apr 2026
LTV
LTV

The second purchase that predicts everything

What a customer buys next after their first order tells you more about their lifetime value than any survey. How to read, and act on, the signal.

2 min read Apr 2026
Post-Purchase
Post-Purchase

Subscription conversion timing: when to ask, when to wait

Ask too early and you annoy. Ask too late and you've lost them. The behavioral signals that tell you a one-time buyer is ready to subscribe.

2 min read Mar 2026
For Agencies
For Agencies

Turning post-purchase into a retainer clients can’t cancel

Flows are a commodity. Measurable lift across a client's whole post-purchase journey isn't. How agencies make retention their stickiest service.

3 min read Mar 2026
Stay sharp

The post-purchase playbook, in your inbox.

New writing on reorder timing, retention, and LTV. No fluff, no daily spam — just the things that actually move the number.

One email when we publish. Unsubscribe anytime.