personally, my spending has gone down as a result of realizing the novelty effect. Essentially, to me, there are two conditions to see them in--off season or prepping (ish, for both). once I realized that i stopped going in. my decision was also influenced by how expensive a room is and how receptive/friendly/interactive she happens to be. and sometimes that changes, depending on the day, or year.
i think you're right about the price point in that way as well. i found it very difficult to get in with Thickk last year and about a month later i was able to get in once i got in touch with her. a few months after that it wasn't hard to find her in free chat for a while.