Originally Posted by
DC777Fan
I get a 1x bump by holding the plat card, 4x vs 3x, etc. Do I actually have to make the purchase with the plat card or can I use the PRG to receive the enhanced bonus?
Or, for that matter, can I use a non-Amex card to receive any bonus? I wouldn't expect the full 4x (since the way Amex advertises that it really is 1x from the card itself plus 3x from the mall portal), but would the remainder of the bonus points from going via the portal be earned?