I am doing my best to keep you from using tractor paint on the exterior of the car, plus at least if the jobber takes the time to match the paint up, and price it to you, at least buy a couple rolls of tape or something you will consume to make it worth their time.
Also if you buy the paint ask for strainers, sticks and paint cups, they get that stuff free from PPG, and you will need it.
I painted PPG for around 20 years, way better company than Dupont to deal with.