Making crafts? Nice. Got a glue gun? Awesome. Only one? Crap. When you have a lot of glue sticks but only one gun to load 'em in, just grab some soda cans, some tape, and a lighter to make your own homemade glue gun.
MrGear shows how in the video below. From the looks of it, it works pretty damn well and there's nothing that's more DIY than having your own DIY glue gun.