Hammer: Craftsman Hammerhead

Price: $100, craftsman.com 

Sure, you can buy a traditional hammer and use your own strenght to drive nails into sheetrock and plywood, or you can get this handheld power hammer and let it do the work for you. The Hammerhead delivers 3,600 impacts per minute and features a swivel head so you can hammer nails in hard-to-reach places.