I own and Breed Cocker Spaniels and just like any breed their are the good and the bad. Be sure when looking to own one of these incredible dogs that the breeder is up to par. CERF and OFA Hips and Patella Luxation Testing are a must with this breed. Visit your breeder and note the temperament of the parents. These dogs were overbred at one time. Be sure you are buying a good quality example of the breed or you could have serious problems. Once you find a good breeder and get your first well bred Cocker, You will never look back. They are the best All around, Versatile, Active, Loving, Friendly dogs you will ever own.
Just do your homework.