RE: Arbitrage opportunity for BTC-BTG: 4.43%

how about the costs involved on

1. Buying bittrex ( 0.25% )
2. Withdrawls to Bitbay ( 0.25% - i am not sure )
3. Sell on bitbay ( 0.30%)

so i guess 0.80% will be reduced and the time to transfer between exhchanges as well.