I'm new at dog training just got my first dog a chessie male 4 1/2 months old. I'm just looking for some helpful tips on things I might need. I'm on a budget so trying to keep it as cheap as possible. Wondering on e collars, and stuff like that. I got a bumper, dove dummy,mallard dummy, leash, and duck dog basics training video. Also womdering when I should start using an e collar, introducing gunfire, formal training? Like I said I'm looking for any and all advice thanks guys.