Polaroid Originals is offering 20% off instant film until January 5th, 2020. Just enter code HAPPY2020 as indicated at the top of their web page. Make your resolution to shoot more frames, and cut yourself a sweet deal at the same time.
KEH is offering 10% off site wide and 20% off on accessories, until January 4th, 2020. Click on the top banner on their web site to get the code. Enter the code shown when you check out.
These deals have exclusions and deadlines, check the respective site for details.