There are several items that become hugely discounted after Christmas, and, if you're willing to fight the post-holiday crowds - you could save a bundle!
Meeting up with a stranger to buy something with a handful of cash at a semi-private location is an invitation to get robbed at best and killed at worst.
I had to call the Queen of Holidays Tammy, and ask for her professional opinion. When did she start buying Christmas presents? "I bought most of the Christmas presents in June!"