Let's see. I too have spent a TON of time online reading stuff about caring for my BP. And I can always read more.

The auto mister I use is a Reptifogger. It works great, thought attaching the inlet is kind of interesting. I like it.

You do seem to need 1 more hide, as it would be stressful to make a snake choose between a preferred temp and feeling secure.

And as others have stated, please don't house them together... I know it is a small chance of cannibalism, but I don't think it's worth it if it is the slightest possibility...

Otherwise sounds good to me and