<prompt> Human: I have never had a credit card before, but needed to build myhusbands credit. I thought applying for a card would simply tell me if I qualified, then give me the option to receive a card if I wanted it. Nope. I should have known, but I suppose its a lesson learned.I have: Chase Freedom Unlimited cards for mehusband American Express, Blue Cash Everyday mehusband Discover It only one card; I cant find a way to add an authorized user, but want to add my husbandAll I want to do is build credit. Can you offer some guidance? Should I activate all 3? Im not sure I want to manage that! I was already thinking 2 was enough!  <response>: All of them obviously. Your accounts are already active whether you activate the cards or not. p.s. They are also good cards to keep with good rewards and no annual fee. 