Originally Posted by
Gig103
Interesting about trying non-Amex payment methods beyond the MRs. I have 5% cash back on Discover, and I probably should have at least changed the payment method for the balance to see if it removed the coupon. C'est la vie though.
You cannot switch card, but if the GC balance is below the order total, the site allows you to choose GC balance to pay FIRST, and still keeps the coupon then by the AMEX card. No other option.