Having been an avid DIYer for more years than I'd like to admit, I've run into more than a few embarrassing situations. Even with measuring twice (nay, FIVE times) a board will still get cut too short now and again. Those kinds of incidences aren't so much embarrassing as profanity-producing. No, I'm talking about stuff that is so mortifying you want to crawl in a hole. Case in point: Several years ago I decided to make a mosaic 'Welcome' sign to put in my garden. I cracked and broke the tiles into just the right sizes, glued them down with thinset onto my sub-straight, waited a day and then grouted it up. It looked great!
The sign was sitting on a bench