interest free balance transfer

What is "0% balance transfer" using credit cards?

Or what is the element of balance transfer, I say get a new credit card and you want to buy things and pay later, what the cost, if its 12 months of interest free, but a rate of 2% balance transfer?!

Transfers 0% means you can transfer a balance from another credit card to it and they will charge 0% interest for 12 months, provided you make minimum payments and are not final. Then, the surplus to the normal interest rates at the end of 12 months. The transfer rate of 2% is a load, evaluate to make this transfer. The 2% is calculated on the amount you are transferring, if $ 1,000, then charge you $ 20 for shipment. In reality, pre-payment Interest is charged so that the 0% is not really zero.

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