Do you by chance know the MFG of the auto door? I like the sound of that as I can be lazy sometimes.The girls aren't in the coop during the day anyway, they pop out as soon as their auto door opens (on a timer) and only go back in to lay or eat crumbles. I got the auto door last spring when the house was undergoing major reconstruction and we had to live elsewhere. It was neither practical nor reasonable to drive 25 miles every morning to let them out and I couldn't see having them "trapped" in the coop all day so the door paid for itself in gas money pretty fast.
(*) Nothing more than about an 18' squarish area surrounded by chicken wire. I made it so they could be somewhat confined when they were small. Now they just fly out so it isn't really used.
Bruce
Do you ever have a problem with them not getting in in time?