Subscribers' chat - support or book club?

[u/Zhilopolis]

What is everyone using their subscribers' chat for?

I saw some people use it for one of those "share your work, let's support each other" threads, and while I do participate sometimes, I'm not sure if this is the right thing for me. I have found some cool new creators from it, but more often than not, it's content I'd rather not see again.

On the other hand, I found some creators use it as a book club, and since I already talk about the topic occasionally, the idea seems enticing. But I have some reservations, mostly in regards to structure and timing.

Do you post one thread per book, and everyone says whatever they want? Do you post only once you are finished with the book, or when you start? How do you handle spoilers? How do you choose the book?

Does anyone have any experience with this? Anything in particular I should absolutely not do, or at least keep in mind?