Guys, why you are joined on campaign like this?
OP says that is high payments campaign. $2.5 is high? Where are you a live?
Also check trust rating of campaign manager, there reputed member says that this guy do not paying for marketing job, what do you need to ignore these campaigns? By accepting this kind of work, you're just encouraging such cheap campaigns or without payment.
Put your finger on the whole
on the start rep was fine and he got 5 or 6 campaigns working, now it turns out on scam
also probably he posting with another account now here