Reduce credit card debts

Let's say you have 3 credit cards and you own each of them $500. You can consolidate all your credit cards bill into one credit card. Of course you have to choose the bank which offers you the lowest interest rate. I recently got one promotion call from DBS which offers 2.5% per yearfor 6 months.

The normal credit card charge an interest of 24% per year. You bill of $1500 will incur an interest of $30 a month. So if you take up the DBS offer, the interest is about $3 a month only and you got to save $27 every month!