You painted your walls with so much effort and care, the paint complemented your home for several years, but now your walls lack the previous charm, due to the chipping, or scuffing, or peeling of paint. If you cannot afford repainting, then a touch up is the best option for you. A touch up is not restricted to walls, you can apply it on your car too, in case of any damage. In this article, we are strictly referring to touch up on walls.