Via Slickdeals, buy $50 worth of Staples gift card for $40. You could make at least 6% back for reselling this card. It is discounted 20% and according to Gift Card Granny these are being sold for 86% of the face value.
If you took advantage of the Target deal from the other day, you can only buy 1 gift card as there is a limit of 3 gift cards from Gift Card Mall for every 10 days.