I've been picking these up here and there when there are sales. The best one was the Target misprint for $14.99 each. I think the ad was supposed to be for a 3 month card, but it displayed a 1 year card. PS+ until June 2020. I think I need to stop.
Found this on an email I received.
Use to coupon code to get the price.
http://www.meritline.com/wireless-controller-ps3-black---p-57782.aspx?strcoup=MLCKFRIDAYNL1&dealid=26466