<prompt> Human: Obviously staying on top of paying it off entirely as well. I have travel coming up and Id love to use miles if I can. Thoughts?  <response>: Credit cards are more secure. If your credit card is used fraudulently, you call them and report it, and they remove the charge. If your debit card is used fraudulently, cash can be sucked out of your checking account and you can wind up being overdrawn and bouncing checks while you get it sorted out with the bank.Recommended by Frank Abagnale, Catch Me if You Can. 