The sales agent can make the POS system more reliable by adding new product.
Add the product quantity as desired by the customers.
Sales agent can put the cart on hold, to monitor the long queue in the POS system.
Do not worry if the internet connectivity is not well, the POS will still work properly.
Supporting multiple currency is one of the foremost feature of any POS system.
New customers are most welcome to the store with just like regular customers.
Provide benefits to customers with coupons and discounts on the orders, just in few click.