a dog door is an awesome investment. However, most of them don't do a great job of keeping the elements out of your house. The solution is a two flap door, and you can build it yourself.

While last year’s version only had a smart door on one side of the pet door ... The function of a dog sliding through the door means that the flaps pick up all the dirt and oil on your pet.

Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy, but as much as we’d like to, we can’t try everything. Which is why we have People’s ...

As a result, pet doors usually rely on just a swinging flap to give pets unfettered access ... the Petvation uses an array of infrared cameras on either side of the door with a 120-degree field ...

After all, can’t you already buy a simple pet flap for well under $100? But the world’s largest garage door opener company seems dead serious about building the best doggie door ever made.