You can do that typical move:
" I have a free guide for x, comment Y and I'll send you"
But then twist it with comment y on nostr and I'll send you sats
Discussion
I like the cut of your jib 👍
But then if it's too popular, I could go bankrupt, especially as I'm a lot poorer than I was yesterday for some inexplicable reason 😂
I'm pretty sure you can make a post with #grownostr to raise some sats for that and just turn around and do it in bird platform.
After all, you're not promising anyone the sats within a set time