A man says he has a sure-fire way to touch up paint without leaving behind brushstrokes. ... “This is one of the most helpful painting tips I’ve come across.” Eilish O'Sullivan.

With touch-up painting, you have to be prepared for not-so-perfect results. If you don’t have any original paint, you can cut out a sample from an inconspicuous area.

If you are painting the ceiling, do that first because drips go south. Glidden’s E-Z Track ($18 ) goes on pink and dries white, so you can see what has been painted and what has not.