Full article with thanks to: bhg.com/decorating/paint/how-tos/painting-tips-for-novices Are you breaking these all-important painting rules? Before you start your room makeover, read our must-know tips for first-time painters. It’s time to lay down the law—there are three immutable laws of painting. These are the secrets of painting that will deliver the best results every time, no professional painter required. Each law is used …