FAQs Here are some of our most-asked questions. You’ll find a few pointers to help get your pup on the road to good behavior here. Why should I obedience train my dog? How do I find a good trainer? At what age should I start training my dog? How long will it take to train my dog? How much does it cost to train my dog? What is “clicker” training? You say not to use choke collars or retractable leashes . . . why not? My dog pulls and chokes himself when we go for walks. Should I use a harness? How do I house train my dog? How do I stop my dog from eating feces?