Oh, there are contingency plans for that. They're pretty easy. Writing down barcode numbers and then doing a mass "check out" event on a whole list when power

Oh, there are contingency plans for that. They're pretty easy. Writing down barcode numbers and then doing a mass "check out" event on a whole list when power is back covers things. In an extended event, some backup supplies on-hand from Brodart to handle things Jersey-style with temporary card pockets is easily doable.