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I read your article, but, correct me if i am wrong, if you would just have BOUGHT Bitcoin for this amount, your ROI, would be around 100%. (Depending on the exact entry point)

Yeah. That would be higher than the current ROI. But the ROI was uncertain as that would be speculative analysis. So, I bought 50% on BTC and 50% on mining. By doing this I'm kind of hedging my return. :D