Choosing products for a small store will probably do. Very often, the price tags for goods are incorrect, and the goods are also often not found at the self-service checkout, it is almost impossible to find the administrator responsible for the self-service checkout. So, if you have collected a lot of goods, it is better to go to a regular cash register - saving both time and nerves.
It became unprofitable to buy coffee, which was very diluted, and prices were raised.
It is also noted that the device itself is not washed, dirty, it is scary to use such a coffee machine, and in principle the coffee is cold. In general, it totally sucks!!!