The other big factor is where you live. I'm in Alabama, so we're just using an old chain-link dog kennel as a coop (wrapped in chicken wire, inside a sturdy fence, with an outer perimeter patrol dog). We spread a tarp over it in summer, and wrap the tarp around it in winter (leaving the sunny side open for ventilation).
And I tell you, every time I read about somebody battling mites and ticks in a wooden coop, I feel so smug
And I tell you, every time I read about somebody battling mites and ticks in a wooden coop, I feel so smug