Wow,i got here for the first time,it's strange because this thread is really old.
But back then yes,i actually earn pretty much for me in that time,i had 0,5 btc bought for about 260$ and i forgot about it and it was wow,i just earned 70$!
The price is $630 at the moment, for each bitcoin, you earn 370 dollars. So for the 0.5 bitcoin, you earn 185.