The series is inspired by a true story, which took place in Leipzig in 2015. The person that inspired the novel was sentenced to five years in prison.
For the name of the drug dealer, the writers looked up Albanian names and decided to use the Albanian rapper name Buba. After production started, they were informed that Buba is in fact a woman's name.
Maximilian Mundt originally auditioned for the role of Lenny Sander. He was already on his way back to the train station, when the producers called him back to read for the role of Moritz Zimmermann, which he eventually got.
In the How to sell drugs online fast universe, the planet Saturn does not exist.
Most social media accounts that are seen on screen, are actual social media accounts, that were specifically created for the show.