One question, when you take profits off the table, and put into your pocket, that is money you have and can spend.
When you leave some portion of your profits invested in the coin... how long is your horizon for leaving those coins in there? Like forever, till they reach some super high value like 50K BTC? Or do you just hold until at some future point they eventually give you the bounce you were initially looking for?
Are you ever worried about an exchange you are using being hacked and losing your coins?