Sprinkle salt over your cutting board and then scrub it with a warm cloth. This will get rid of stains and small scratches. Pour some salt on a grease spill and you'll be able to wipe it up a lot easier. If someone tracks soot across your carpet, sprinkle some salt over the tracks. Leave it for an hour, and you'll be able to just vacuum up the stains.
Salt can also come in handy in the laundry room.
Soak a shirt that has perspiration stains in a strong solution of saltwater. Run it through a cycle and the stains should be gone. If you add half a cup of salt to the laundry when you wash blue jeans, they'll come out nice and soft, and the color will last longer. There you have it, some easy ways that salt can help out around your house.