But not, if you write in a language that is not English but a native language to the country you are living in, like German, French, Spanish, Portugeese, Italy,

But not, if you write in a language that is not English but a native language to the country you are living in, like German, French, Spanish, Portugeese, Italy, Polish, … Maybe with the exception of Spanish (Middle and South America) and French (Africa) you have a rather small audiance but still the same living costs like in the US. If you audience is not the general public but a specialied audience like Technology, like Astrophysics, like historic cars, then you don't have the audience like an article about Lady Gaga or some general politics.