Bitcoin is both simple and complex, depending upon how far down the rabbit hole you want to go. Bitcoin itself was ruled by the federal courts to be recognized as a currency, which is fantastic news for the Bitcoin world.
Mining profitability depends on three things: hash rate, electricity cost, and Bitcoin's price. The math changes constantly. What we can tell you is this: a custom-built rig from StealthMachines will outperform any pre-built mining rig at the same price point, and it can be repurposed as a gaming or workstation PC when market conditions change.
GPU mining requires significant upfront investment and ongoing electricity costs. Do your math before buying. Our team is happy to help you calculate expected ROI for your specific situation — call 888.273.2440.