Usually my chickens are free to range the yard, and I lock the coop up once they've gone to bed at night, and let them out every morning. If I leave for a three day weekend or less, I leave them to range the yard, doors to run and coop open, with extra food and water. I have a hanging feeder and large metal waterer. If I am gone for a few weeks, I leave them contained in to run, and leave the coop door open inside of the run. I have someone come by every other day to collect eggs, and check food and water. I would rather give them a bit of extra freedom and potentially lose a bit of food to mice than leave them locked in the coop for weeks, and I can't afford to pay someone to come in the morning and unlock the coop, and then come at night and lock it up again. We generally don't have a problem with racoons or other things that would try to get into the coop. So far, so good.