ok just wondering what is common, because a lady on a list my mom frequents was being attacked for starting to train puppys at 4 months old, like how dare she start training that early this I find really weird because around here breeders start training at 3 weeks and sport training starts at 7-8 weeks of age, obviously no jumping lol but thats the way we do things around her, and to me this is totally normal, but these people were freaking out because this lady was training 4 month old puppys! as if they were way to young to be trained, however I have also heard of people who will not start any training till a dog is 6 months to a year old, which I personally find stupid, I mean why live with an unruley dog for that long? its unfair to both you and the dog. but it seems to vary upon where you live, so what is the common age to start training where you guys live? remeber this is not when you yourself starts training but the common thought in your area.