I don't own a probe and don't have any idea of there benefit's I always thought a probe would scratch old coins.I just dig one or two inches away from where I pin point the find.Should I buy a probe and how will it help me?digger up. Also I think I will keep my name the way it is there is already to much change in this world and besides thats what that guy wants me to do .And I wont give him the satisfaction!!!!!!!!