These and other questions are answered by Hadnet Tesfai and Firas Alshater on behalf of the Federation of German Consumer Organisations (vzbv), so that refugees can cope better and to protect them against traps in the everyday life of a consumer.
Here you can find the Consumervideos for refugees with the appropriate subtitles. Also for download.
The videos can be used under the terms of the Creative Commons License: credit – no editing (CC-BY-ND)
The details of this license can be found here: https://creativecommons.org/licenses/by-nd/4.0/legalcode.de