Cash register – A point of sale (POS) cash register is imperative if you want to complete transactions for your customers while their coffee is still hot. Most POS cash registers feature easy-to-navigate touch-screen interfaces and can be updated frequently with new menu items and daily specials. Most of your staff will be able to use them efficiently after just a few days of training. Again, you may want to investigate economical tablet-based systems as well as traditional cash registers.