I'm ALWAYS thinking about expanding the "collection"! Every day I run into something that is new and amazing.
I've wanted a Bp since I started researching snakes. The biggest problem has been ensuring a back up food supply, in case the BP is only a live feeder, or at some point decides to become only a live feeder. I live in NM, in a very small town. The closest pet store is half an hour away. They are very small - we call ahead to "reserve" our pinkies for the two hatchling king snakes. Because of poor eye sight, I rarely drive - and BF teaches out of town for a week at a time.
With those constraints, I've always thought the prudent thing to do was have a rodent colony set up beforehand. Not a big deal - I'm already raising meat rabbits, chickens, and milking goats (have been for years) - but I haven't pulled that part together yet.