Modular Steel House Design

I have an initial concept for a prefabricated, non-concrete modular house built primarily from steel framing and sheet panels. The end use is commercial, so the layout, finishes, and structural choices must meet higher durability and code-compliance standards than a typical residential pod... (Budget: $250 - $750 USD, Jobs: 3D Architecture, 3D Design, 3D Modelling, 3D Rendering, Architectural Rendering, AutoCAD, Building Architecture, Revit)