Originally Posted by
percysmith
Citi promo: $2/mile = .07/2 = 3.5%
HSBC promo: HK$20 spend = 1 RC = 15 miles = $1.05. $1.05/20 = 5.25%
Sorry my math messed up...
20HKD in spending getting 1HKD back is quite a lot. In US normally it's 1 USD for 100 USD spending. Periodically you have 5% cash back with some cards in some categories.