Decisions are best made after a good night of sleep. Even if you change your mind, having some HP unstaked and liquid in preparation at least gives you the freedom to make sure a move if you plan for it. If everything is staked, then you're completely stuck outside of waiting for powerdowns, during possible quick market moves. Taking a % of profit is never a bad thing as hard as it is to actually do since we get so emotionally invested in our digital assets.