I think the bottom line is......a dog is worth as much as you're willing to pay for it.
Couldn't go back and edit....I wasn't done. Most I paid for a dog ever was $1,000. It's a bulldog from good 'ol blood. I wanted his blood for a good outcross before I bred my small yard into a corner. My statement above wasn't meaning what the dog itself was worth per se'..... because a dog worth a grand to someone may not be worth five bucks to someone else. If you see a dog that performs just how you like then obviously you'd be willing to pay a good price for it.