Look at the overall rate of 159THs @ $3.5 per TH = $556 per day = $16,695.00 per month Gross Profitability

 $16,695.00 Gross
-$ 1,500.00 Hosting Fees
$15,195 Net Profit per month

$50,000 Purchase Price / $15,195 = 3.29 month ROI

Solid Machines with a Great Profitability.