Selling without an appointment
A walk-in, a bottle of shampoo, a quick tenner: the + button takes money without a booking.
Not everything is an appointment. The + button has two ways to take money without one.
Sale
+ → Sale is for a walk-in you didn't book in, or someone buying products. Add services from your menu and products from your stock, then take payment the same ways as any other bill: card reader, Tap to Pay, a card keyed in, cash, or a split of cash and card.
Stock comes off when the sale is paid, and whoever is at the till is credited with any products sold. Product commission.
Quick payment
+ → Quick payment takes an amount with a short label ("Fringe trim") and nothing else. Use it when you just need to take a tenner.
Finding them afterwards
Both appear in Sales → Sales list, each with a receipt you can open, print or refund, and both count in your cash-up.