With 60 h/s i get about 20 coins a day
Ive also mined now for 24h and only got one payment with 20 coins.
But now 5 hours later my balance shows already again almost 20 coins.
So I think the dude above me is right... just keep mining

--edit--
Just trying to term deposit.
I have to use my own ROI Coin wallet as deposit adress, right?