An excellent question. People have asked me this in person before, so it is a common concern. As others have mentioned, it is proper etiquette to place a towel between yourself and any public surface (chairs, benches, etc). And you always want to use...
Just buy them at the yard sale if you realy like them, but hurry up cuz sale might end soon!!!
Just do a search for "vintage chair appraisals". I would imagine most sites will want money for this service. I bought to chairs at a garage sale for $3 a piece, put new fabric on them and painted the legs. They turned out great, but couldn't sell th...