Use BF20 for 20% off Gift Cards at https://www.twosmiles.com/
Excludes Amazon and Groupon.
So feel free to get a GC for TRU or GameStop to save even more since you get the GC instantly.
So stack that on top of GameStop's B2G1 free sale. Also, many used games are discounted including Xenoblade for $40.
Starting 12AM EST/9PM PST, Newegg via Ebay will have PS+ for $22.