The price would have to depend on whether or not the car is assembled or not. It's way easier, and of course cheaper to do a v-top and headliner on a fresh resto, verses a car that is assembled, and you have to stip the trim off the car. I agree with 4-6 hours on a perfect headliner install. Vinyl tops could be pricey if you're dealing with old glue, or worse, find rust.