After you have a license.
Not so, the second you accept money for a service it becomes a Business. You are doing it for reward.
They either want to become breeders or they just want happy, healthy dogs.
You can do anything you want to do! Get the breeding "in's and out's" from those in the know, particularly in the category of boxer dogs, and then... good luck with your boxer dog breeding!
By a process of human breeding. However most people would say that dogs are a separate sub species, not a separate species because dogs and wolves can still interbreed.
Dogs can get sick and die.
Separate them
yeah
Cross Breeding
is dog breeding an example of natural selection
Little dogs
Labradors
Yes.
poodles