Any ticket in the Retail screen can be easily edited—or even deleted—before checkout.
Changing quantity: To change the number of products or pricing options the client is buying, tap the plus (+)or minus (–)button to adjust the quantity up or down. The number that shows up between the plus and minus buttons shows how many of each item the client is buying.
Removing items: To remove an item from a ticket before checkout, just hit the minus button (–) until it disappears.
Deleting a ticket: If you need to cancel the sale and get rid of the ticket, just remove all items on the ticket.