If you only make the minimum repayments on your cards every month your debt could take a long time to clear, as your payments may only be covering the interest charges.
If you travel abroad regularly and use your credit card, look for a card that doesn't apply a charge for this type of use. Beware also of exchange rates.
Do not give your credit card number to anyone who calls on the phone unexpectedly, no matter who they say they are. Also never use email to transmit your details and only use websites that encrypt the details. There are also credit cards that protect you from bad internet transcations.
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