Goodman Games is having their annual sale. For the past 3 years at least this is the best sale of the year for this company. See:
https://goodman-games.com/blog/2019/11/26/black-friday-starts-today/
Drive Thru RPG is also having their Black Friday sale. Unfortunately, most of my wishlist did not go on sale. See:
https://www.drivethrurpg.com/blackfriday.php