Sears offers the Craftsman SpotLite Pointer Stud Finder, model no. 60573, for $15. Plus, Plus Shop Your Way Max members bag free shipping. (Not a member? It's free to sign up for a 90-day trial; otherwise, shipping adds $5.99. Free in-store pickup is also available.) That's a buck below our January mention, $4 off, and the lowest total price we could find. It can locate edges of wood and metal studs through drywall and other common interior surfaces up to 1-1/2" deep and features two detection modes. Deal ends May 31.