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I don't convert my sayings into bitcoins. My Bitcoin holdings are my savings, more like a pension fund for my old age. When a buying opportunity occurs, I add as many bitcoins as I can afford without crimping my operating cash.

A target number? I've thought that when (if?) it reaches $10k per coin, I'll spend what I need to buy back all the dollars I've spent on Bitcoins. Currently, that's between 4 and 5 coins.