To replace a door, refer to Lowe's do-it-yourself for a step by step guide. Replacement is not very difficult. To replace just the door, tools and material required are: a new door, hammer, screw driver, tape measure, pencil, combination square, saw horses, clamps, chisel, a door lock installation kit, a drill with bits, circular saw, level, work gloves, dust mask, safety glasses, plane, shims, cardboard, and a utility knife. Before removing the old door, take a few measurements like the width...