What is typically the most significant factor differentiating the final price tag attached to an English Cream puppy?

Answer

The quality and reputation of the breeder, correlating with health testing depth

The most significant differentiator is typically the quality and reputation of the breeder, which often correlates directly with the depth of health testing performed on the parents.

What is typically the most significant factor differentiating the final price tag attached to an English Cream puppy?
costDogcreampuppyGolden Retriever