Avoid This Costly Mistake!

mistake
After my January 2013 article in Professional Builder, “3 Ways to Huge Profits Through Lean Design,” was published, I was thrilled to get a shout-out from a faithful reader regarding a costly insulation mistake. It was too good not to share. Here is what he wrote:
 
Mr. Hallett,
 
I wanted to give you a heads-up on a picture shown in your article in Professional Builder.