i don't have any experience. >> i would recommend she not design one and find something off the shelf and let someone else deal with the nuances of that. you can go down the rabbit hole, and an e-solution can be incredible costly. >> what about starting on etsy or ebay. >> think of this as you would say an electrical utility or plumbing system. you want to do that yourself? no, have you a business to run. i would try something off the shelf and other thing, since some of her business is service business, scheduling this knife sharpenings, some kind of off the shelf schedules software. >> all right, yeah, you're right. this is sharpening. she wouldn't sell something. yes, okay, you're both right. how easy is that to find?