Hi, I have many questions as I'm new. Sorry . I have 60 inch by 50 inch area that I can use for the chicken coop. Will this be enough for four chickens? (I don't have any chickens at the moment) Without run ok or not ok for this size? If run is needed, how high should the fence be? (I read they can jump 4-6 feet in that case -> yikes!) It will be located near two trees, a fence and a small storage house so I don't suspect much wind. I'm in San Diego so it's not often rain. With those, should I place it on ground directly or above ground? (if above, how high) One nesting box enough? Thanks.