I think the best take is, in advance (or when bought) to know how much profits is ok from each particular coin:
- do you want a short trade: +5/+10%
- do you want a bigger gain and can wait: +20/+50%
- can you wait longer term, and want 10x / 50x / 100x returns.
Important that when the coin reaches those limits: to execute the sale. Other wise, it is hare emotionally if the coin would start moving even slitly down.