I just finished spraying my coupe this week actually. I did it in white Acrylic. started with rattle can etch primer after all rust repairs. 4 coats of high fill sanded back with 800g, 2 coats of primer sanded back with 800g, 4 coats white acrylic sanded back with 1200g, 4 coats acrylic clear sanded with 1200 then 2000. Still need to buff it but will do that when the car is ready to be put back together.

I used a pop up marque from kogan and honestly spent more time repairing it after all the wind i had over the last few months.

I'd recommend spending the time making a decent area to spray it first.

Things i found really helpful when spraying were to back of the mixture or flow of paint, limited the amount of wastage and over spray to sand off.

I used paint from a local body repair shop but found the Septone products from supercheap auto to do the best job.