use
http://dustcoin.com/mining to calculate profits.
You will need to know the cost of your electricity and your hashrate, which you will find by simply starting mining
Under the price section of this calculator, is that how much you have to spend to get a spot on the pool? Like if the BTC is 1.0000 like bitcoin up top is, does that mean you'd have to give the market price of a bit coin to the company for them to allow you into their pool?
If this is the case, how can the lower companies offer such a low cost to get in like 0.00008397 from lxcoin? Like why would someone pay the full market price of a bitcoin for the bitcoin pool offering instead of just going with a lower cost site like lxcoin or some similar site?