DONT TRUST HIM. He is trying to pull a Money Mule Scam. At the end the conversation will lead to a almost too tasty deal where is first says that he will send you 800$ monthly. But instantly add that he will actually send 2000$ and you should send him 1200$ back in form of steam gift cards for his "new game business" He most likely uses stolen money so at some point you will be charged back by your bank. Google "Money Mule Scam" for more info