Hi guys i've tested a few sources now like Propeller Zeropark and Richpush. Using the same offers only Zeropark and Propeller worked well. I made around 90% ROI on these. I made a test and it concluded that lots of the clicks on RichPush were fake. ROI was terrible even after heavy optimization and losing more than 60 Euros over a few day. I have the say that the Account Manager was extremely nice and...