Small on purpose
One action — subscribe — with nowhere to get lost.
A personal newsletter site with a readable archive.

Sunday Letters is one writer and one habit, so the site is deliberately small: subscribe, read, leave. There is no navigation to get lost in.
The archive matters more than it looks — it is the proof that the habit is real and the back catalogue is worth the subscription.
Audience building. Free today, with the option of paid tiers or sponsorship later — so the list, not the page, is the asset.
One action — subscribe — with nowhere to get lost.
The back catalogue justifies the subscription.
Easy unsubscribe builds more trust than a lock-in.