New Delhi, March 28 -- Have you ever been approached by a bank's representative who tried to sell you acredit card which is free of charge and will always remain so? Oftentimes, it happens that you buy a product with an assumption that it has certain features but later you discover that there is more than what meets the eye. The same thing can happen in the case of credit cards too.

Here, we dig deeper to find out what thehidden costs involved in the case of credit cards which are 'lifetime free'.

I. High interest rates: While there are no annual fees, these cards may carry high rates of interest, thus making your card usage more expensive. This needs to be factored in as you apply for a 'lifetime free' credit card.

II. Foreign transac...