Why not escrow some funds in bitcoins and Ethereum(Don't say you want to escrow paypal, it is the reason behind negative feedback), People will trust you more after that and you can ask escrow whenever you want to release payment to a particular member. And who knows suchmoon decides to remove the feedback after that? or Escrow provider give you some positive to make it neutral. I sure, you won't regret your decision of escrowing funds. That's easy