. ♪ >> reporter: say hello to maeby.tt is coming to visit us at abc news headquarters for a very special assignment. hey, welcome to abc. >> thank you. we're excited to be here. >> reporter: we're going to make maeby a star. no, not that kind of star. we're sending this brave 5-year old pooch undercover into a place dogs fear the most -- the veterinary clinic. we wanted to find out if what this man says about the veterinary business is true -- that some vets, out to make a buck, sell unnecessary shots, tests and procedures to unsuspecting pet owners. >> i'm clearly not making friends within the veterinarian industry. but i feel i'm saying things that need to be said that aren't being said. >> reporter: andrew jones worked as a vet for 17 years until he quit the industry after a dispute with his medical board over marketing issues. he's now revealing what he calls veterinary secrets online. as a young veterinarian in british columbia working at a clinic, jones says he got an early lesson about upselling after telling a pe