Every Sofian can make between 200 and 300 leva as supplementary income to one's monthly wages by driving their vehicle wrapped in advertisement - as are buses, trolleys and trams around the city, Gradski Vestnik reported on April 16. The company, Ad Mobile, insists that this scheme "is the most effective and best way to advertise", failing to explain how so.

The company claims that it will provide the advertisement, handle the wrapping process and subsequent cleaning, the processing of the required paperwork with the Traffic Police and consequently "are expecting a massive response to their scheme from the local population".

Citizens interested in making some extra income should visit the company's office and get registered there and all is sorted. Well, just – there is a catch.

The contract will oblige Mr Common do drive for at least 400km a month. To ensure that, a GPS device will be installed in the vehicle so that the company can be certain that the vehicle has driven the required distances, and "though busy and public areas", at that.

One is left to calculate how much the net income would eventually be, once the costs of driving 400km around the city are subtracted.

According to the Traffic Police, unlike buses and trams, car windows cannot be covered in advertisement.