Very seldom do I give a firm price on demo's, especially old corn cribs. They didn't have a dump truck to bring fill so used concrete, often old machinery pieces for rebar. The county sent me a letter from a job I did 4 years ago saying I didn't get a demo permit for removing concrete. I had done the job right about the time they required a permit, unless it is in a town. Just another way to get more money, it seems. I work by myself, usually loading the building during the week. Then breaking concrete and hauling it on the weekends. When I worked for another fellow, I ran the dragline on weekends and many nights. After coming off the farm, if I would work 60-80 hours a week. Thought nothing of it!