Actually they didn't say the KSB is in another room, just that the snakes aren't out at the same time.
Before getting another critter read this: https://ball-pythons.net/forums/show...antine-process
I agree with what was said above about expos. Some are really good and the promoters go out of their way to attract vendors who go to great lengths to provide quality animals, while others will let anyone get a table. Definitely look at the list of vendors beforehand to see who is attending and do some research on them - or even ask here - because there are some vendors who are so bad I won't even go to an expo if they are there.