Halloween spider decoration super easy and inexpensive= crepe paper and balloon. I added a smaller balloon (same type- just less air in it) for a head. next year I'm gonna add a red X made from crepe paper on it's butt.
Webbed Window Covering from Homes and Gardens. Turn a front door window into a spider's clever trap with black craft tape. A fun and easy decoration for your door. would be a great addition for trick-or-treaters!