Residential Single-Line Diagram Upgrade

I need my current residential electrical layout redrawn as a clean, up-to-date single line diagram. The goal is to document an upgrade, not a brand-new installation, so you will be working from existing information and bringing it in line with the changes we are making... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Architecture, CAD / SolidWorks, CAD/CAM, Circuit Design, Drafting, Electrical Engineering, Revit)