Add it up
Start with a body say from MCC no rust repairs needed then find a good panel man to straighten and spray this is were most will go imo. then the front sub subframe connectors and rear end to purchase then install it, then Motor & Tranny,brakes,wheels & tyres,interior,headers and exhaust, roll cage

etc. All all the big things, radiator and fuel tank and expensive accessories that YOU want and want to purchase, if you can get quotes you can add and then add a lump sum for the little things that are alot Ring Frank