Pet doors are a game changer for dog and cat owners ... tool to create the opening in your full-sized door, cabinet, or wall. Read more: These Viral Curtain Alternatives Offer Chic Solutions ...

There are estimated to be more than 30,000,000 house pets in North America. And if you have a dog or cat, then you are well aware of the fact that they may have to get outside for a host of reasons.