Stop squeaky hinges by wedging moist soap between the doorframe and hinge, and work the door back and forth; also rub soap directly onto the hinge.
No more squeaks in floorboards when you work a little moist soap into the cracks between the boards.
Unstick a stubborn zipper by rubbing soap on both sides while closed, then unzip it and rub soap over the opened teeth.
Solve sticky drawers by rubbing both sides and the underside with soap.
To keep eyeglasses from steaming in cold weather, rub both sides of each lens with soapy fingers, and then polish.
Have any of these tricks worked for you? Share more soapy tips below.