Pour boiling water with salt (1/2 cup of salt and a quart of water) down the drain to clean out the drain. You can mix more of the water and salt, just keep the proportions the same.
You can remove dirt from your garden veggies using salt. Make up a bowl of water and salt and rinse the veggies in the bowl.
When boiling eggs you can prevent the eggs shells from cracking by adding a pinch of salt to the water.
You can prevent your windows from frosting in the winter but rubbing 2 teaspoons of salt and one gallon of hot water on the windows. Wipe it dry, but don’t rinse it off.