Das Problem bei privat erhältlichem Reizgas ist nicht das Gas selber, sondern die Folgegefahr. Jemanden der sich die Augen reibt, kann man bedeutend einfacher Messern.
Der Einsatz solchen Reizgases ist Kriegsparteien übrigens untersagt.
In most places this is included in the accommodation's bill and isn't a lot of money.
Some cities have quite huge fees of you want to drive an old car with a dirty engine into the center. Some will even fine you for it.
I suggest getting a ticket for public transportation. There are tickets available for a day, week or month, covering cities, countries or even the whole of Europe.
As of 11 June 2024, CECOT had a population of 14,532 inmates. With a capacity for 40,000 inmates, CECOT is the largest prison in Latin America and one of the largest in the world by prisoner capacity.
Ajona is being produced in Germany. I've been using it over twenty years and really like it. You need 10% of what you usually use with other brands (lentil size it says on the package) and it doesn't make you foam up like a rabid bunny.
https://youtu.be/xacdDrylrek