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For crypto i agree but i would still time the big moves a bit.

Daytrading might be a hassle but when we are crazy overbought like in january 2018 it's not bad to take some profits. Just like it's not bad to buy some when we crash a lot. With investing timing is also important.

Whenever I have a bad day or a bad week or bad month, I just want to quit trading but on other days, I actually enjoy trading