Should I say that I'm from Austria?
Just had a look at the sources you posted and I don't think they are trustworthy (that doesn't mean that the story with the 600k in Krugs could not be right anyways...)
Whenever I buy on eBay I contact the seller in advance and ask for a better price if we deal without eBay and PayPal. Usually no problem (with dealers I know).
Buying here I use Transferwise or Revolut. Cheaper and 'better' than PP.