I don't because my wife is home all day. I have been curious when we do leave for a few hours, but Molly never has shown any reason to worry about. ie. no separation anxiety ,chewing or housetraining issues. A number of trainers in our organization will use them for helping clients. It is a very valuable tool for getting to the heart of certain issues.
Dave and Molly
Ian Dunbar was awarded the Outstanding Achievement Award from I.P.D.T.A. Here's a picture of me accepting the award on his behalf.
Member of IAABC ,International Association of Animal Behavior Consultants , Member of Pet Professional Guild