So, I recommend that you read about payment methods in advance. For example, I found information on the Internet about contactless payments, according to which, it turns out that you can Tap to phone android app and find an application for contactless payments. This way you don't have to pay any commission and you keep your income. It really benefits everyone. I think you will like their service!

It seems to me that it’s too early to think about these terminals, people still pay in cash

They say it is impossible to predict the occurrence of unpleasant situations. However, when you are a student, and you are constantly overwhelmed with tasks, you develop an ability to always have a backup plan. Back in days, a grade miners review has provided me with a plan B.