That are not a small change when you consider all the hotel stays and meals will be charge on your cards.
Safety Rules
Record somewhere in a diary or your notebook all your credit card numbers and the phone numbers to call at call centre as well for a case of lost or stolen. The numbers has to be in safe place and handy if something unexpectedly happen. Once, you have mentioned your lost credit card numbers to the call centre, you may collect if you are abroad.