I have 12 total now and have an 8x10 coop. I also have a 300sq. ft enclosed run for them now but my wife is putting in a pretty good size garden this spring so as soon as the weather breaks they will have a chicken tunnel to that area to clean up the weeds/grass, etc. to get that area ready for tilling. I am also learning about composting (it is winter here so hard to compost when everything is frozen). I would love to let them free range but I live in a pretty rural area and have a ton of natural predators. Coyotes, raccoons, minks, opossums, foxes, hawks (already got one of my bantams) and owls..then I have 4 dogs, 2 which are out of control when it comes to birds so training them is going to be a huge challenge!!!