I've never done one--only contribue to the church bizaare and the guild boutique at the show--my aunt used to do craft shows all the time and I'd sometimes be that extra help for set up/take down and spell her for nature's calls. She did a great business--but almost all the sales were small items--mostly wooden painted Christmas ornaments. In our boutique it seems like most buyers are also looking for small items--things that they wouldn't make for themselves and can use as presents, etc.