300MH/s = .67BTC/day
= $5.70/day
= $171/month
there are THREE difficulty increases per month, so it is going to be nowhere near $171 per month, $5.70 for next 9 days is correct though
my estimate would be around $100 from 300MH/s (if running 24/7 until end of june)
Well, might be true, but price could just as easily rise to match.
I use current numbers projected out because I really have no idea whether difficulty will continue increasing more quickly than price. In the past, there have been times when difficulty outpaced price, and there have been times when price has outpaced difficulty. Who am I to say which one will happen?
I wouldn't count on $171, but that's the best prediction I can make, without knowing whether price will outpace difficulty.