Due to the rapid increase of difficulty (and corresponding decrease of mining returns) any mining rig that does not pay for itself within a relatively short time will not be very profitable at all.
Onkel Paul
Topic: Profitability calculator - accurate? - page 2. (Read 2522 times)
One of my friends pointed me to this link: http://www.bitcoinx.com/profit/ - and I'm just curious if this profitability calculator is at all close to accurate. I don't mine, I'm thinking of mining eventually, but a 10 day payback period seems really quick for solo miners.
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