You can find affordable Christmas trees at your local dollar store, craft store, or even online. They come in a variety of sizes, shapes, and styles, so you're sure to find one that fits your budget. You can also make your own using branches from a pine tree or other evergreen shrub. And don't forget to look for sales and deals, especially around the holidays. With a little bit of creativity and planning, you can have a beautiful Christmas tree that won't break the bank.