Plz help me - PACMic

[Goldenshit]

Guys i am new to bitcoin mining. And I didnt understand from their site how to calculate my profit. I know that you cant buy now but when the PACMic v4 comes out you will can. Lets say that I will buy 10 ths, can I use http://www.coinwarz.com/calculators and set power cost at 0 and hash rate : 10000 to calculate my profit ? The last question I want to ask is : For how long I will mine with one purchase.. ? I mean that if I buy it the next month for how long I will mine ?

Sorry for my bad english... And can someone lose money with PACMic from www.hashnest.com ?

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[BLOCK_C]

You get a flat return.  You're not really buying hashrate, you're buying hashrate with the downside of not making your money back but not the upside of BTC going up.  Your 'profit' is calculated on the money still owed to you on the 'contract'.

From their site:
The contract expires at the moment that the principal has been paid back in full.

So if you invest $1,000 you get paid each block on the interested what's still owed to you.  Once you're paid pack that's it.  If you keep your money in the contract and the contract keeps returning money IE the global doesn't sky rocket you'll make about 25% ROI which is not a bad return.  It's more of a bond from Antpool than a mining contract.  Hope this helps.