@Tod ********
Thanks. Really? There was never mention of proof of funds in the German consulates websites for this visa (though not a problem for me). Are you sure they also require proof of lodging with every extension at Immigration Office? And are you also sure they are checking for continues health insurance when extending at immigration office?
Well, fact is: It is a shit and overcomplicated visa - but it could be a great one, if only they made it more approachable.