Basic human needs include clothes, shoes, soap, a tooth brush…and, well, a million other things. But a dog's principal requirement is a collar. Yes, we need to attach our leashes to something ...

Save 20% on Seresto Large Dog Flea & Tick Collar on the Amazon Big Spring Sale By . Emma Sutton-Williams. Published March 25, 2025, 4:00 p.m. ET.