Well, they can be found in many places these days, from online stores to department stores and even some specialty shops. Some of the best places to look for tacky Christmas sweaters are vintage clothing stores and thrift shops, where you can find one-of-a-kind pieces that truly stand out. If you're looking for something more modern, there are also plenty of online retailers that sell tacky Christmas sweaters of all shapes and sizes. So whether you're looking for something classic or something completely out there, there's sure to be a tacky Christmas sweater out there that's perfect for you!