Leech money methods

What are the methods you've found to make the most amount of money with the least effort? In Germany it seems that draining the government of funding is a great way to get rich. More specifically, getting paid to present shitty video game prototypes. This one managed to gather up 176.776€:

Any other ideas? My dream job is to one day become a perma-NEET. But first I gotta find a way.