Would you say its probably best to buy 2nd hand and used ones then get them sprayed after. I was thinking of having a full respray once the back is fitted

Hi guys New to the forum. I'm looking at buying a defender 90 and I've seen a nice clean one near me the only down side is it's a pick up and I'm looking for a hard top. Is there anybody on here looking to swap roofs and sides ect or can anybody give any advice on the best places for the hard...