By the time Thanksgiving rolls around , the retailers are tired of playing that game and they really do cut prices - for a brief period on Black Friday , but they limit inventory so only a lucky few people get the deals - then they raise prices right back up and the next batch of dummies go rushing in the first few weeks of December to get all the " good deals " Then the week before Christmas the retailers run a few more sales to keep the momentum up - and then everything is on hold until the after Christmas sales .