I found some clear roofing material (not enough, but it's a start), I also found some boxes\\drawers that should work well for nesting and a A\\C intake vent that I'm thinking of using along with roof vents. (My predators\\pests are going to be opossum, rat, squirrel and maybe one of our dogs. ) This is the skeleton of my 4x6 coop (already around 100lbs.), the height is 6 feet, but will probably be around 5 when complete. (I'm pretty short). Uploaded with ImageShack.us The A\\C vent's filter size\\opening is 16"w x 25"h, it hinges at the bottom like most of them do: Four boxes I found, I might frame them together for an outside nest box or put a couple in the coop as is. They are 24" x 16" x 5": This is the type of wheel I'm thinking about getting, it's 10" tall, 3" wide at Harbor Freight for 12.99 (I wasn't wanting an air up wheel at first, but they might work better when the soil gets wet.) My tractor will more than likely 400+lbs., so I need ideas for hinging them under the coop when I'm ready to move it. (I do not have any welding skills.) http://www.harborfreight.com/10-inch-worry-free-tire-96691.html Just want some opinions on using that type of vent?, how to hinge the wheels?, using air-filled or solid wheel? .... I have more questions, but I need to stop typing and eat something. Edit: I'll keep editing my edits and replying to myself, I'm crazy like that.