While every zero balance transfer card offers such lucrative services that it looks the perfect one ever made but if you get into it without researching about the company, you might end up paying more money than you expected to save. The most common bases to compensate for the loss taken by the credit card company on zero balance transfer cards is by charging very high transfer fees or fixed annual charges that would actually be a lot more than you would’ve paid in the form of interest itself.

Therefore, before finalizing any such card, check what would they charge for transfer fees and ongoing charges. The transfer charges can be a fixed amount or a percentage of balance transferred. One must be aware of these clauses and should work his calculations to see if this new account is saving any money in any form or not.

After you’ve decided on the financial aspect of transferring the card, concentrate on verifying if it is really a 0 interest card.

One should specifically check if the 0% interest rate is applicable on fresh purchases made on card only or on the transferred balance only or on both. This can narrow down the choice as most of the cards will fall in the category that charge interest on purchases and will get straight away rejected.
This would make your choices really brief compared to what you started with. Evaluation of these few left would be an important task nevertheless. You have to read between the lines to understand the terms and conditions of the card company. These are the places where most crucial information are kept like when promotional rate of interest shall cease to exist, late payment charges, penalties etc

Once you’re fully aware of the features of the cards, make your choice according to your needs and the one which can maximize your savings in the long run. Though the idea of changing your card every now and then to continue enjoying 0% interest benefit won’t be a great idea and it’d hit your credit score real hard.