Ok. I asked this in another thread already, but HERE, I particularly do not understand where a lot of you are coming from.
First off, no matter what you WILL achieve ROI, so I have to assume you mean POSITIVE ROI. But even given that niggle, there is virtually no way these machines will not reach break even in a fairly short time, after which your only ongoing expense is electricity, which is not that great of an expense on these devices.
So, those of you crying "no ROI" over and over again, WHAT FREAKIN" TIME FRAME ARE YOU TRYING TO BEAT?
First off, no matter what you WILL achieve ROI, so I have to assume you mean POSITIVE ROI. But even given that niggle, there is virtually no way these machines will not reach break even in a fairly short time, after which your only ongoing expense is electricity, which is not that great of an expense on these devices.
So, those of you crying "no ROI" over and over again, WHAT FREAKIN" TIME FRAME ARE YOU TRYING TO BEAT?
Any frickin' timeframe. Please see here.
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I mean really. An ivestment that is likely to break even in less than a year??? That's insanely positive by most any business metric you care to apply! ...
If you don't break even in a year, you never will. Never. Unless conventional difficulty predictions are just a bunch of fud, spread by evol gobment infiltrators.
Total bollocks.
So..in 5 years from now BTC are $10k exchange...explain to me how what you said can be true? Also..how you know that or something similar can't happen? That was the point he was making and he's spot on. At the end of the day the exchange rate of BTC is everything when deciding if your investment in a miner profits or not.
Let me rephrase it:
http://s11.postimg.org/fgjq8ogab/image.gif
Edit: Difficulty chart:
http://s23.postimg.org/np6qrembv/Capture.jpg
Yes, because things that go up will always and forever continue to go up.
It is law.
Everyone knows this because there are no examples of charts, even of something as parabolic as this one, ever having crashed. It is impossible to find one. I simply defy anyone to find a real-world example, much less one using Bitcoin Difficulty, to illustrate otherwise.
I expect that someday this particular curve will bend back on itself and begin to reverse time, simply due to the extreme amount of hashing power.