<prompt> Human: My mother in law has switched to a system where she does not use a debit card, for concern of her card info getting stolen, and her accounts cleaned out. Instead she pays for everything with petty cash and credit cards, and of course pays off the full balance every month. My wife has been considering this, and brought up us doing the same. Is this worth it? I wouldnt mind if for the card perks, like cash back and skymiles, but I cant find many articles about people going 100 credit card. If yes, do we play it safe with cards from our bank, or go outside and just take the best rewards we can get?Thanks a bunch.  <response>: Yes it is worth it.If you have the discipline to pay off all your cards every month.You get more protections from credit cards, and you get rewards.The only thing you really should use a debit card for if you are disciplined is getting cash out of ATMs. 