If you don't have a fireplace, but still want to hang stockings and decorate a mantel, you can craft one out of cardboard! Using cardboard display boards (ones students use for science projects), you can build a realistic (and lightweight) fireplace.
Peppermint Candy Christmas Ornaments - These edible ornaments are simple and thrifty. Make a dozen ornaments for just a dollar per bag of peppermints. One peppermint, melted in a tiny cookie cutter, would make a cute cupcake topper.