The promotors of the NGRC tracks are the one that earn the good money from the game, very few owners do. Ok they may win a few quid if a they have a gamble but that is far from as easy as it sounds especially with any regularity & they certainly don't earn it in prize money unless they have one of the top half dozen dogs in the country.
The problem lies with owners that will scream the place down if you mention having a dog put to sleep but would willingly give the dog away without question to the first offer they get. I used to know someone like this until one that he had given away w