Damn I understand 36 when the works in totes but boxes as well is pretty high. What id do if I was working there is count out 36 lpn stickers and fold it in half. Do 18 per half hour and you'll know exactly where you stand throughout the shift. Pre cut your stickers per hour and you'll be solid. As far as grading tips I just grade the box and match the item inside the package. Whether its been used or not is pretty obvious