If your walls are pockmarked with nail holes, instead of tossing down money on spackle, make this smart concoction instead. It's as simple as mixing together equal parts cornstarch, salt, and water into a thick paste. Dab the homemade spackle over holes,
How to Fill Nail Holes Want to get rid of the holes caused by nails on the wall? Here is an easy solution: All you have to do is get a bar of white soap and scrub across the hole until it's filled. This is a great tip for when you're moving out of a house and want the holes to be gone!