Hunting Dog Training

I follow a nothing in life is free method of training and I find it works wonders for me. This method allows for frequent and consistent training while subtly telling the dog that I am the boss.
The link below explains it fairly well.

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What has worked best for you, and do you think these would work for a dog that is already one years old? Thanks ahead for your input.

Hi, I am looking for a dog that could be trained to go to nursing homes and/or hospitals. What type of dog would be best for this? I dont have a big yard but I could take it on long walks, it would also have to be good with children. And since I dont have a very big yard I dont think a big dog would be best. Does any dog come to mind? Please help?

My brotha house was broken into the 3rd time this year(i know its one of his so called friends). I see its possible to train little small dogs to use litter box. But is it possible to train a pit bull to use a litter box?

I am thinking of buying a dog from battersea, i have asked several questions about them on Y.A.
but i didnt seem to get the right tips bout my question!
CAN ANYBODY OUT THERE HELP ME PLEEEEASSSSSSE!