All Farmers Market sharpeners are not created equal for sure. But thats not to say there are no good ones out there. If the only thing you see is a Tormek, belt sander or some other powered device that should turn a light bulb on saying maybe I don't really want to have this fella do this. 99.9 percent of what you see at markets is junk knives. 99.9 percent of the customers don't care about the method used to sharpen. Thats how many market sharpeners get away with a single method of sharpening. I sharpen at Farmers Markets more for the exposure than the money. I may have allot more background than many. Plus I have pretty much everything on hand to take care of most customers needs. Belt grinder, Tormek, paper wheels, silicon carbide stones, Arkansas, water stones up to 8K plus strops I use only for knives. If I have a savvy customer they want to see a piece that I've sharpened before. If they are really savvy they watch me work. If they are really really savvy we talk sharpening since they do their own work. Sorry to hear of your plight but you shouldn't put all market sharpeners in one category.