Founder of RetentionX
Jun 15, 2026
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5 min read
RFM is simple enough for Monday’s team meeting and powerful enough to change your growth strategy.
Jun 11, 2026
4 min read
Optimizing for LTV isn't just optimizing for growth. It's optimizing for operational simplicity. That's because The cost of bad acquisition is living in your support queue, your warehouse, and your team's calendar.
Strategy of the Week
Jun 4, 2026
2 min read
Why connecting Claude to your store isn’t enough, and what a commerce data layer changes.
Jun 1, 2026
When customer quality rises, revenue goes up - and operational chaos goes down. Fewer tickets, fewer returns, fewer refunds - more time for improvements and upsell.
May 28, 2026
When CAC rises, the default move is to raise prices to protect margin. Higher prices make conversion harder, which makes CAC rise again. Without stronger LTV underneath the model, the loop tightens until growth stalls.
May 26, 2026
Rising CAC pushes prices up to protect margin → conversion gets harder → CAC rises again. Without stronger LTV and a staple ‘milk’ product, the spiral tightens until growth stalls.
May 21, 2026
A low CAC is not evidence of efficiency. It's evidence that you acquired someone cheaply. Whether that was a good decision depends entirely on what happened next.
May 19, 2026
How to use product journey data to guide the next purchase – with relevance, not blanket promos
May 18, 2026
CAC is just what it costs to start the relationship; LTV is what you earn if you don’t screw up the relationship.
May 14, 2026
Lee Reitelman on LTV, discipline, and why high CAC is easier to fix than low LTV.
May 13, 2026
If you can’t answer “What is your 12-month LTV?” (based on profit, not revenue) without logging into five tools, you’re scaling an eCom brand blindfolded.
May 11, 2026
18 min read
Brand stickiness and product stickiness are two different superpowers – and you should treat them as different muscles.
May 8, 2026
17 min read
Payback and cash risk depend on when value shows up.
May 7, 2026
12 min read
The filter you give customers impacts everything downstream.
May 6, 2026
28 min read
Enough theory! Let's get hands-on and start optimizing your metrics for success.
Apr 30, 2026
Plus: Introducing Hard Margins. Same newsletter. New name. And we just launched a podcast.
Apr 23, 2026
3 min read
Most brands promote everything too early. This team built a system to stop that.
Apr 16, 2026
You can't make good decisions about customers you can't identify.
Apr 9, 2026
That’s not performance. That’s debt with good branding.
Apr 2, 2026
The customers destroying your contribution margin aren't hard to find. You're probably emailing them a promo right now.
Mar 26, 2026
Limited drops are one of the best ways to break customers out of their usual buying cycles and pull orders forward, if you do it right.
Mar 19, 2026
The higher the first basket, the better the next 12 months. Here's why, and what to do about it.
Mar 12, 2026
Most retargeting campaigns show consistent ROAS. Most of them are also wasting the majority of their budget. Here's the structural fix.
Mar 5, 2026
If your acquisition product is much cheaper than the rest of your portfolio, you’re training the wrong customers to love you.
Deep Dive
Feb 26, 2026
8 min read
Most brands treat their product portfolio like an inventory list. The best ones treat it like a growth system.
