hi everyone here is a good site that you can use as a cloud miner and it works great the more ghs you get the more you mine so I would suggest that all the btc you get you should turn into ghs.Site below 

https://www.bitzfree.com/?ref=N29uNj1sYjRhY2R6aW9AbWltZ2wu

if you use that link get an additional 20 ghs and every 1000 ghs you get you will get btc also