I'll definitely give it a try to save a few bucks, throwing at least one out a week (damn hardwood!) and the hassle of remembering to pick some up at the store.
Both require just a small amount of sewing, that, by the looks of it, even I can handle. And that's saying something. Here are the links:
DIY Swiffer Duster:
DIY Swiffer Mop :
Such handy and creative people out there!