Do you believe in the new Twitter model for creators? (Users pay a monthly fee to their creator)
Discussion
nostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc idea about crowdwall seems more viable. Post becomes publicly unlocked after recieving X sats zapped.
To complement that, could also offer it to view free for an inner circle list of accounts designated by the posting user.