I generally would say that you should. If you want some good reads on silver and gold investing read Mike Maloney's book:
https://www.barnesandnoble.com/p/investing-in-gold-and-silver-michael-maloney/1100727436/2676895150700?st=PLA&sid=BNB_DRS_Marketplace+Shopping+Books_00000000&2sid=Google_&sourceId=PLGoP1755&k_clickid=3x1755