In your opinion, which of the competitive dog sports such as hunting, agility, obedience, etc. is the hardest to earn advanced titles? We currently train and compete Nova Scotia Duck Tolling Retrievers in AKC Hunt Tests. Tollers were bred to be multi-purpose dogs, and have the aptitude to excel in many of these sports. We have no experience with any of the other sports, but we love training and are always looking for new challenges. So in your opinion, which titles are the most respected (as applicable to my type of dog)? To me it would seem hunting because of the time you have to spend outdoors and in all the different settings.