Are bitcoin miners really making an extra $500 per month with the latest bitcoin antminer s9?

Product description BM1387 chip is built using TSMC’s 16nm FinFET technology and, delivering a record-breaking 0.098 J/GHs, is the world’s most efficient bitcoin mining chip in the consumer market. Each Antminer S9 employs 189 such chips to deliver more hashrate and efficiency than any bitcoin miner ever made. Hash Rate:11.5TH/s, 12.5TH/s, 13TH/s, 13.5TH/s & 14TH/s, depending on batch. Variation of ±5% is expected Power Consumption:1127W (11.5TH/s batch), 1225W (12.5TH/s batch), 1274W (13TH/s batch), 1323W (13.5TH/s batch), 1372W (14TH/s batch) (at the wall, with Bitmain’s APW3 PSU,93% efficiency, 25°C ambient temp). Expected discrepancy of +10% Power Efficiency:0.098 J/GH +10% at the wall (with Bitmain’s APW3 PSU, 93% efficiency, 25°C ambient temp) Rated Voltage:11.60 ~13.00V Chip quantity per unit:189x BM1387 Dimensions:350mm(L) x 135mm(W) x 158mm(H) Cooling:2x 12038 fans; Front fan: 6000rpm, Rear fan: 4300rpm Operating Temperature:0°C to 40°C Network Connection:Ethernet Frequency:Automatically set WARRANTY FOR THE S9 IS DIRECTLY WITH BITMAIN ALL WARRANTY PAPERWORK INFORMATION WILL BE INCLUDED IN YOUR SHIPMENT

Are bitcoin miners really making an extra $500 per month with the latest bitcoin antminer s9?