Staples has a great deal going on for Gap gift cards. They have e-gift cards at 20%. Use you Ink Cash, Ink Plus, or American Express Simply Cash to earn bonuses on the purchase.
Staples has a great promotion coming next week where you can get a discount of 20% on Gap gift cards.
Best Buy has some third party gift card deals available online that can get you a 10% discount in the form of a Best Guy gift card.
The store card that has always been generous with spending offers strikes again with a new uncapped 5X offer for the 4th quarter.