Right now, there's a great example of Walmart's good deals on full display. They're selling a dog treadmill, which normally costs $2,000, for just $400 - it's a once in a lifetime deal.

Our favorite is the dogPACER Treadmill 3.1, which is well-sized for a wide range of dogs, operates relatively quietly, and has a straightforward interface. Best Overall: DogPACER LF 3.1 Treadmill ...