Don't worry BTC is still over TWICE  as profitable than every other mainstream investment.

1gh/sec
 $8 per BTC
1000KW
 .15 KW/hr
 30 days

Coins per 24h at these conditions: 0.5658 BTC

Power cost per 24h: 3.60 USD
Revenue per day: 4.53 USD
      ... less power costs: 0.93 USD

Power cost per time frame: 109.57 USD
Revenue per time frame: 133.86 USD
      ... less power costs: 24.29 USD


Net profit first time frame: 24.29 USD

Profit Margin = 18%



Let's compare to other endevours....


Historical US corporate profit margin is 5.5% to 7.5%.
Historical US Equities yield is 9% to 11%


CURRENT