This one is also questionable in a country that allows you to buy a Porsche with cash, and which in general has its capital full cash only casinos and bars.
But yes, if you play by the book, you definitely don't want to mess with the Finanzamt.
The rate of violent crimes against people is low, but higher that you may feel by reading the newspapers. There is lots of crime, but typically not violent against other people. Having you home break-in is relatively common.