Since 1st April earlier this year, HSBC Revolution gained the ability to double its earn rate to 8 miles per dollar, making it one of the strongest miles cards we have available. It’s not without a catch, however, because to get the higher earn rate, cardholders are required to maintain an average balance of at least S$50,000 with HSBC EGA. With interest rates, including that of HSBC EGA, coming down over the past few months, is it worth it to maintain this balance amount with HSBC EGA for extra miles from your HSBC Revolution? Calculator This calculator can help you find out:...