24
testers in the closed pilot
3
iterations before it stuck
+40%
week-two retention vs baseline
Growth hacks fade. The habit of shipping something small every week doesn't — notes on turning a decade of campaign work into a habit of shipping small, testable things.
The honest version: most of what I learned came from breaking things in production and writing down what happened next. This post is one of those write-ups — less playbook, more field notes.
A small example
const skill = optimize({
rollouts,
gate: heldOutValidation,
});Nothing fancy — just a habit of shipping the smallest version first.
Cite this post
Cite this post
@misc{peisaiheng2026shipping,
title = {What ten years in startup marketing taught me about shipping},
author = {Sai Heng},
year = {2026},
url = {https://peisaiheng.me/blog}
}