Your Arms Will Thank You For This $21 Sheet Sander
by Shep McAllister on Kinja Deals, shared by Tercius from Lifehacker on (#47HRE)

Of all the mindless tasks that make up any DIY project-turning screws, hammering nails, measuring things-sanding wood is indisputably the most unpleasant. It takes forever, you get splinters, and your arm feels like it's going to fall off for days afterwards.