start with something easy…
1)wiring harness front and rear, fuel lines
2) fire wall insulation
3) pedal box, break fluid reservoir and brake booster
4) front break lines in engine bay
5) front and rear subframes
6) rear break lines and finish break system
7) fuel tank, engine, transmission, drivetrain and exhaust system
😎 exterior trim out… knee / belt trim, lights, horns,
9) door trim out, locks side windows front and rear.
10) dash / glove box
11) front and rear windows.
12) cab insulation, carpet/seats
really what ever works for you…