I am building a 24 X 28 2 car garage. I am hiring a concrete guy to put in the foundation and pour the slab for me. There is a neighbor of mine who is a carpenter. He said as a favor to me he would frame it for me for $15 per hour for his labor. I don't want to offend him but I was wondering how long it would take to frame it in and put a roof on if he did most of it himself. He has air tools and has built numerous houses and garages around the valley we live in. Does anyone have a guess on a time line. THanks.