oh man !!! send me 10 of those s9 , i would be happy to mine 0.5BTC / months with each one
im sure you have a special firmware , and maybe a few extra blade attached to your s9
we , regular users are very happy , if our s9 mining at least 0.12-0.14BTC / months per current difficulty
i think all of us would like to know your secret , how can you mine 0.5BTC/month with ur s9
Could you share that information with us please ? That would be great , and that way might someone going to buy your s9