https://www.officedepot
you can buy $10 in any item (exc gift cards and some other exclusions like postage stamps).
YOU CAN PAY with an Office Depot Gift Card but you CAN NOT pay with existing rewards.
expires June 9
earn $30 in rewards with a $10 purchase and 10 ink carts/Q
Five at $4 each and five at $2 each back in rewards