For real guys, you'r still mining with your 800 USD cards at 3$ / day profit ? Never heard of so much better ways than POW for making money ? You can't be serious...
You must learn the meaning of the word : 'search smartly' how to make REAL profit..
Ps : And don't think even 15$ / day for one card at 800$ + is a REAL profit..
He is referring to the masternodes. You buy MNs for as much cheap as possible. Wait a few days to make as many coins as possible. Drop it as soon as it reach the exchanges. Profit. It's like a chain.