LMAO after reading AJ's recent post about correct measuring. The reason I am LAMO is because reading it reminded me of what must be the stupidest measuring mistake I ever made.
Most people are right handed. Some are left handed. And a few are ambidextrous, comfortable working with either hand. (Ambidexterity is a great asset in woodworking.) I am what they call none of the above. Or maybe they would call me bi-polar. Or just strange. I am comfortable doing certain things right handed and certain things left handed. This was a disaster for me in little league because I throw and catch with the same hand. I'm sure this is why I never became a star Major league baseball player. In woodworking, this was more of an advantage than a disadvantage because I was more able to switch hands than someone who was strictly left or right handed.
One of the things I did instinctively with my left hand was to grab my tape measure. This meant that when I pulled the tape out with my right hand, the numbers were always upside down. (Ahh, you can see it coming, right?) Since my tape was always upside down, I was always at risk of reading sixes as nines and vice versa. So most of the time, if I made a cutting error it was invariably a three inch error. One day, while trimming doors, I cut a piece of casing an inch and a half too short. Without thinking, I went right back to the saw and cut off another inch and a half, thereby setting the world right again.