You may have an interior or exterior door in your home that used to work fine, but recently it's started to rub on the floor or against the jamb opposite the hinge jamb. To some degree, this is normal ...

Ever time you hip-check a swollen door or jiggle its doorknob, you're cutting short the lifespan of the hardware. Keys should slide smoothly in and out of locks. When they don't, spray the lock with ...