No regrets whatsoever if the price continue to increase after I sold off. It's not the nature of crypto, very volatile and unpredictable. And you mentioned greed, yes, that's another emotions that we traders need to get ahold of. We should unless not to get carry but this emotions because in most cases it will spell between a successful trade and profits and losing more money in the end.
Exactly!. Take your profit and don't look back!
Not a very bright idea if you ask me. While it makes perfect sense in gambling (otherwise known as "roll and run"), with trading you are typically in for a long haul. It means reinvesting almost everything to earned to unleash the full capacity of compounding. You may and in fact must switch between assets by selling overprices and buying undervalued assets ("portfolio reshuffle"), but other than that it is a never-ending process of making dough
Another key difference from gambling