I know a few guys that own body shops. But probably any paint supply store would be willing to sell some supplies and give some pointers. Prep work is probably 80% of it. Go to a body shop if all you need is some touch up paint and a little clear they may just give you some. But the clear has to be mixed with hardner and once you mix them you only have so long before it needs to be sprayed or it jells up and gets hard.
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