Also fwiw, if you're looking for the inverse, a way to get people not to join and not increase membership, putting a bunch of gatekeeping, neg'ing them, and money shaming is 100% the most successful way to do so.
To any not yet subscribed or future person coming across this, you're 100% welcome to contact me about any DBTC or freebie I've previously offered. Throw a message on the post and we'll figure it out. The hobby is already expensive enough, I'm happy to help make it a little less expensive, especially given money doesn't go very far these days.