I ben looking on ebay to see if they have any good used devilbiss,iwata, binks or sata spray gun.I am afraid you would be buying someone else problem.I had a sharpe 3000 and did not get good results.If you can suggest a good used name brand paint gun I could buy and maybe rebuild.I cannot afford 300 or 400 for a paint gun.Give me some ideas thanks proge

Personally, I wouldn't buy a used gun unless I could try it out first. You just don't know how other people treat their tools and have to ask the question - why are they selling it?

If your budget is limited then I'd look at the Devilbiss Finishing Line or similar as a good quality, name brand gun at a reasonable price.