At the moment i think the best cloud mining is minergate which has lifetime contracts and not sold out. The prices are near genesis and as i see it gives more per Th/s according to genesis (of course earnings in btc differ according to btc price). Payments are made with a very little withdrawal limit nearly zero. If you'd like to invest in minergate cloud mining you can use my link: https://minergate.com/a/ddc5c90ecfd20db5f923aa42
RE: Finally, a lifetime bitcoin mining contract (while profitable) 1 Terahash for $150 by pool.bitcoin.com I just bought my first lifetime TeraHash!