Are you asking about going to a show in the states and bringing a baby back to canada or asking about how much a baby is at a canandian show?

If you are planning to go to the states for one you will pay more in the long run once you pay for cities and whatever else to legally bring the snake here.
If you are going to a canadian show I have seen normals anywhere from $35-$ 100 depending on the sex and if its ch or cb. Ch are usually cheaper.