<ozbot> At 1000 MH/s, you should earn 0.37335207 BTC/day on average (0.01555634 BTC/hr)
this is influenced by luck - your mining software
the fee the pool you mine on charges
the stability and uptime of the pool you choose
whether the pool you choose merge mines and/or pays out transaction fees
there is no simple answer, do some research, find a pool and a payout method that suit you