look for:
cheap electricity
-good hosting or good friends...
cheap miners
-bulk buy or being at the right time on the ''buy button''
use of the heat
-perfect for winter time! heated water from c1 or miner edge, if they come to market, for showers, washing machines, sinks, jacuzzi, swimming pools, etc)
good luck!
we are at the point were even with free electricity you won't roi, so no it's not profitable at least for 99% of people)
the only way to make profit in mining right now is by having free electricity and already made roi on your miners, in other work, you should not invest
A think there are still some with cheap electricity and underclocking that can ROI. The method I follow is mine with it on high, eventually look into underclock. Mine till i feel the miner would be better off sold to someone with cheaper or "free" electricity and sell the miner. It works for those with low electricity cost, and no VAT. And if you have equipment such as PSU's etc from former miners you owned.
But I do agree BTC is currently so low buying is a very attractive option. Which for some will be better off.