Baseball Card Exchange has already started their Black Friday promotion: free shipping and 10% off any order above $50. This sale mainly benefits large purchases. Maybe some of you want to join together on a purchase?
Checkoutmycards has plenty of sales that are run by its users. Also, all purchases on COMC or Blowout Cards will be rewarded with a $20 off coupon for first time sellers.
There will also be a shipping special:
$4.95 for the first 20 cards and 11¢ for each additional card.