Originally Posted by Artie

If you make your reservation online with an AMEX card, you get an extra 500 points. So if you stay one night for $100, you get 5 x 100 = 500 + the booking bonus of 500 points for a total of 1000 points for spending $100. Obviously if your bill was $500, you would gross 3000 points or 6/$ spent. So if you are going to spend over $500, you should use the Citicard. Under $500, use AMEX.