ChrisBFRPKY, thanks for your posts. They're somewhat long, and I'm on my phone, so I'm not quoting them.
I take your point, that you personally have never had difficulty selling. That's a good input to have.
Whether a billion lot would face issues is probably irrelevant. In fact, ditto millions as well, although that was Captain Swoop's question -- irrelevant for most of us, that is. If thousands, and tens of thousands, never create problems -- a few hundreds of thousands, for bigger players -- then that's fine, for all practical purposes.
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Except for one concern: If a whale does download, would that upset the (liquidity) apple cart?
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As for my second post, sure, as you say the stock analogy holds, broadly, but the point is, some stocks are more liquid than others. That's one of the considerations that drives investments, at the individual level.
Your personal (and consistent) experience is probably representative, no reason why it shouldn't be. And I appreciate that input.
Would you have any broader measures of liquidity that you factor in when investing in BTC? Perfectly fine if not. I'm just looking for such information and general guidance as one can find by discussing with people better versed with BTC than I am, not really trying to argue any one particular position.
