Credit Card to use when traveling

Go Dogs wrote:
Just do a search on credit cards. Some reward programs may be worthless to you, if you don't use travel miles, or Cabela's, etc. Do you pay your balance every month? If not, then you want to go with a low % rate. It is a good idea to get one with no annual fee, to keep as a spare, in case something happens with your main account. Keep track of your receipts, no matter what card(s) you use. Check your balances online daily to monitor for unauthorized use.

If you're keeping a credit card as an emergency spare, check with the issuer to see how long you can go without using it before they cancel your account for inactivity. Some are as short as 90 days. I have a small monthly subscription that's charged to our "backup" card, and that charge gets paid automatically each month from our checking account, so no interest is paid. That's all it takes to keep the card active.