In the attempt to save some money, a lot of people choose to design their own Halloween costumes. They come up with the right materials, a sewing machine and they start working. Obviously, the quality standards might be very low. However, if you still want to give this option a shot, make sure that you do it with time in mind. Think about several ideas, then start working on them with up to a month before the big day. After all, you need time for the plan, buying the materials, creating the costume and making all kinds of adjustments later.