I do no longer see some thing incorrect in promoting bitcoin,we are unfastened to decide whilst to .
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Yes, selling in a panic and willingly at a low price is a stupid decision and will lead to regret. Be patient will be better because it will provide an opportunity to gain profit.
Well not always because it depends for how much did you buy that BTC in the first place. If it's falling selling it will give you the opportunity to buy more later.