Awesome project. I'm also new to doing my first build as well. Unlike you though my 71 Chally is an ugly (in my opinion) GY9 Dark Gold. So I'm putting a newer dodge color on mine. If mine was originally a more desired color like yours I would be doing the same thing as you. Sublime green an awesome color!
I agree with what is said above. Body and paint is extremely expensive. Luckily I have a friend doing it and he's charging me $7k for body and paint. However, to get that price I have had to be patient while others have paid him more to get the work done asap. I have more time than money, lol. So depending on how much body work is needed and how show quality you want the car it can get spendy. I actually live on the other side of the state as you too, not that far away Spokane, WA.
In fact your car looks extremely familiar. Did you buy it from the tri-city area? I think I found that car for sale about 6 months/ a year after I bought mine which was around your area actually lol. Small world, cuz I would have bought that car if I hadn't have found my 71 first.