Mapping Out A Gallery Wall

Have you ever made a gallery wall and made about what feels like 100 more holes than you intended to? Sigh, me too. If you haven't, congrats! You are one of the smarter ones! BUT! You can definitely be one of the smarter ones. You probably have a good idea by now that I am indeed one of those people that has committed such a crime with a hammer and nails! Thankfully, I learned my lesson on my first attempt at a gallery wall and couldn't bear to think of putting that many holes in my wall EVER AGAIN! Who wants to get out the spackle and wall paint anyway?! I'm guessing nobody, but especially when you are in a rental. There are two steps in this process that are ever so crucial, and require yo