Never throw a stick for your dog to fetch, if they catch it on the bounce they can often be left with splinters in the back of their throat.
Oh and please feel free to leave your 'pro' tips for BF3! One bit of advice i've always found useful is to have a practice in vehicles on a quiet server. The last thing you want during a heavy intense battle in a full room is for the new guy to steal the best chopper/jet and crash it 2 seconds later because he doesnt know the controls! There is a time and a place for learning but first learn how to walk, be a support gunner and take objectives ;-)