Back to the body shop

So Ruby's going back to the body shop this morning thanks to the unnamed driver who hit her, and I am desperately trying to find a door that can be modified to have a cat door. Why do I want a cat? This was the topic of last night's conversation with B (my roommate) as the cold settled in around my feet. Well, I knew it would happen. It's a big decision, taking on another pet, and I found myself saying things like "if Missy can't handle it that cat's going back to the humane society." It probably didn't help that B said that Missy won't be the number one pet anymore. Of course she will. But deep down I honestly think Missy needs this as much as I do. She's alone all day some days, and with B's "schedule" and mine there really is somebody in this house all the time.
So does anybody have a door that could be cut to let Zeus (who I might rename Vincent) come and go between the house proper and hid litter box on the back porch? Maybe I should have thought of this before I filled out the adoption application.

Have a great week, and tune in for pictures of "Zeus", hopefully not Zeus being eaten by Missy.

MNYAGG