The trouble with being the only vendor of a certain food item is the perpetual threat of copycats.
Take Korean corn dogs, for instance. Seol Ah’s owner Lynn Hobart is the only person in the Lowcountry making the zeppelin-shaped street treat, so curious eaters have been known to cross multiple county lines to try her version of the social media sensation. But the notion that so much demand could spur more supply doesn’t daunt Hobart.