Unless you're following through with all certifications, testings, and clearances... I'm sorry, but you would be a backyard breeder.
I welcome RESPONSIBLE breeders with open arms. But, please. Educate yourself first. Think of the dogs, NOT of your own personal agenda.
Your ignorance regarding not only pit bulls but pet overpopulation is sad... pet overpopulation is NOT limited to any one breed but encompasses ALL breeds... including your beloved border collies that you seem to think are exempt from this problem.
Wolfsoul has some EXCELLENT advice. You would do very well by following it.