i've paid £162 for paints for my spray job, done the prep my self (and my bro-in-law) and my bro in law is painting it for me CHEAP but he is a "sprayer" and i used to do prep work at the BMW MINI factory, still taken a bloody age though, found a lot of shat on the car from a old repair before i bought it and had 120K miles worth of stone chips and bug shat to get rid of, lower half of the front bumper had to go down to plastic more or less, had loads of fun doing that... 4 hours of fun in fact, as we doing all the prep by hand...
only down side is we have no oven and im turning a garage in to a booth, we do on the other had have about 4 industrial heaters going in there