Some of these have been posted on some of my sites already, but here is all the current Comixology stuff.
Huge DC sale, 101 trades at $5.99 each, ends 12/30/15.
https://www.comixology.com/DC-101-Co...Sale/page/9176
Marvel sale until 1/3/16; all 49 Secret Wars first issues are $.99 each.
https://www.comixology.com/Secret-Wa...Sale/list/9506
Marvel first volume collection sale until 1/3/16, 13 trades at $4.99 each.
https://www.comixology.com/Marvel-Fi...Sale/page/9206
Shojo Beat sale.
https://www.comixology.com/Shojo-Beat-Sale/list/9532
Huge Submit sale until 1/3/16, 50% off 223 different books with codeword INDIE at checkout.
https://www.comixology.com/Submit-Ye...Sale/page/9181