I went with a Mettalic building. The biggest I could go is 2,400 sq ft. If I went bigger, I would have to put a stand alone fire sprinkler system in.
The county changed the footings if the upright. They required a 4'x4'x4' footing for each upright. They also changed the thickness of the concrete. They required 8" double reinforced concrete.
As Delancy mentioned, all the little things began adding up and there was no way for the local building contractor to foresee these county mandated changes.
The local contractor builds Walmart's and shopping centers for a business. He sells and puts up metal buildings to keep his employees busy between big projects.