One of the many online private lesson platforms - Avis employé Online Tutor GoStudent

Low salary. Parents or students pay 30 euro for a 50 mintues lesson, you will get 13 euro gross. After paying taxes you will be left with about 8 euro nett per lesson. The first lesson is a trial lesson of 30 minutes. You will get 4 euros gross. If the student decides to continue with GoStudent, you get another 4,50 euros gross for that trial lesson, so 8,50 euro gross in total. A missed trial lesson results in a fine of 25 euro gross. A missed regular lesson results in a fine of 15 euro gross.