So, you set the number of puppies at 800? I’m trying to get you to tell me what a puppy mill is and isn’t.
And frankly, the number of dogs in shelters is not the issue. Because if it is, then you would need to agree with the HSUS and PETA that as long as there are homeless dogs, no one should breed.
A puppy mill is exactly that - where the puppy is a widget to sell, not a dog bred for a purpose. Being widgets, they don’t need to do much besides breed puppies that will sell in pet shops. And too many go the cheapest route in their production, leading to animal abuse.
That is not what a responsible breeder does.
A good breeder provides something that isn’t possible to reliably find in shelters - a dog with a purpose. A Lab that can truly retrieve, and not just sit around and look Lab-ish. A Border Collie that can herd. Pointers that point. Maybe even a pet dog with reliable characteristics, although most mutts make great pet dogs.
Frankly, if you are pumping out 5-6 litters/year, you probably aren’t a good breeder. If you pump out thousands, with hundreds of breeds, then I KNOW you are not a good breeder.