clr on Nostr: There are already some tools: Import Substack posts to nostr: Paid content: Website ...

There are already some tools:

Import Substack posts to nostr:
https://ownyourposts.com/

Paid content:
https://fanfares.io/

Website from nostr posts:
https://npub.pro/

Alternative to linktree:
https://nostree.me/