I'm getting ready to build an 8 x 12 coop. I see a lot of reference here to build it up off the ground, say 18 - 24". Discussing this with a friend, it was mentioned if I have groundhogs, building the coop up will invite them to dug under it. I have groundhogs big time. But there are also big snakes here...eeeek. Higher up is going to be a problem for me to clean and bring in supplies. The building foundation will be on 4x4's. I'm at a quandry which way to go, up or ground level. Maybe some one will have suggestions. Thanks.