Stimmt es, das wenn ich 10 Millionen € aus privaten Veräußerungensggeschäften einnehmen würde, diese für die Krankenkasse überhaupt nicht relevant sind?

Of course, you can also trade with equity, but then it is no longer self-employment. Why I ask this: Compared to other self-employment opportunities, you don't need a huge fortune to start, and you also have a few hours of free time each day (assuming you don't spend endlessly training yourself). You also need two…