We use the Fi Series 3 Smart Collar for Bo and Piper and love the peace of mind. Fi delivers GPS with LTE-M, fast escape alerts, and long battery life. We explain how Series 3 compares to Series 3 Plus and Series 2, and why a tracker helps families who camp, walk at night, or live with a curious explorer.

Choosing the right dog harness is more than just picking a size. Learn how to measure your pup, compare harness types, and avoid common mistakes. We share our top Amazon picks for dogs of all sizes, plus tips from our own walks with Bo and Piper.