Built-in dog crate area. A pet door to the yard would make it ideal.

A young dog should be placed in its crate whenever it cannotbe supervised.
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This article follows on from that and discusses how NOT to use a dog crate, the times a dog should not be crated and in some cases, dogs that should never be crated at all.
How clever is this repurposed crib turned into a dog crate from My Love 2 Create.
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There are extenuating circumstances for everything and no right or wrong answer. Since the dogs cannot tell us if they hate the crate during the day, why chewing the shoe was the right thing to do, and so much more, we base a lot of it on personal feelings and assumptions. When the dogs start talking back, then a lot of things will require a new approach! An old dresser I converted to Dog crate More
Photo provided by FlickrIf your schedule is too hectic to allow your dog ample time outside his crate,  or  service.
Photo provided by FlickrThe last thing you want is to make the crate an aversive environment for your dog.
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Crating In The Car
Keeping the puppy/dog safe in the car is another reason to crate train. Nobodylikes to think of what would happen if they were in a car accident. Car doorscan fly open and the dog, if uncrated, stands a good chance of leaping out intotraffic and getting hit by a car or running off because they are scared. If youhave your dog crated in the car when in an accident the dog may get bangedaround but the crate will most likely protect the dog from being hit, may helpcontain the dog in the car itself, and will keep him from being lost if the cardoors fly open even if the crate is expelled from the car. If you are hurt inthe accident the emergency services people are more likely keep your dog safeand contained if the dog is in a crate and they can easily transport the dog toa safe area. Copyright 1995-96.A crate is a portable "kennel" that is just large enough to containthe dog it is intended for, made of either metal or plastic. "Crating" is the practice of using this kennel for training purposes, usually in housetraining and houseproofing a dog.*Never crate a dog with a choke collar on.Dogs can choke themselves to death. It's probably a good idea to remove anycollar while the dog is in the crate. The crate should be large enough for the dog to lie down, stand up andturn around in comfortably, but not large enough for the dog torelieve itself at one end and sleep at the other. You may buy a cratesized for an adult dog and block off part of it with a chew-proofobstacle until the dog grows into it, or you may buy a succession ofcrates as the dog grows.Wire cages are not as appealing to dogs that like the safe, enclosednature of a crate, but they have better ventilation for use in warmplaces. You might, for example, have a plastic crate in your houseand a wire one for the car. Since many models fold up, they are alsooften easier to transport and store.If a dog is taught through positive to love the crate, the crate becomes his own private and safe place, much like a bedroom for a child. The crate or kennel is somewhere the dog can go and not be bothered; it's a perfect destination when the dog is tired or nervous. Dogs have a natural instinct to be in a den. Many dogs take to a crate very easily.