He could prep the car himself easliy enough. Let the professionals paint it.
I just had my car painted.
I found 3 different body shops that would do the whole deal for 3,500-4k with pulling the doors and windows, good prep work, 2 stage paint, wet sand, and buff.
I went with a $2,700 job that did not involve pulling the windows. While this does leave very subtle masking marks (if they're a good bodyshop) it does make sense. Why spend more on paint than the car is worth? For 5k, you could find a great condition all original survivor. Perhaps cost of labor is cheaper when you live near the border.
Does the car need alot of bodywork?
*edit* He lives in AZ, durr...