DC finally has a good sale this year, Legends of Tomorrow has a hodgepodge of all kind of old and new titles, 243 (!) books at $.99 each until 1/25/16.
https://www.comixology.com/Legends-o...Sale/page/9407
Buffy birthday sale until 1/25/16; not up at Dark Horse proper yet.
https://www.comixology.com/Buffy-The...Sale/page/9436