Purchase price is something that most buyers consider when looking for a dog. Remember the song {b]How much is that doggie in the window? However, we all know that the inception cost is just the beginning of a long string of expenses related to our breed of choice. What is the most expensive breed to own from 8 - 312 weeks? Consider the following: purchase price: Veterinary expenses (non surgical): Surgeries: Food: Training: Transportation: Exhibitions: Equipment (collar, leads, crates):