Paint Questions?????????????????????

solid color and cost is an issue/ thought single stage. price can double for the second stage as in reality it is clear paint. metallic go two stage as it will give the flexibility to cut and buff where as single stage metallic's you kind of don't have that option.
as grim stated above "Use one of the modern urethane products or even the new waterborn systems"! couldn't have said it better myself. it still takes an experienced hand to lay out a good urethane.
but using the rules above it will lessen the margin of error, correction for one not so experienced or having the optimal climate and/or facility to spray.