Why don’t HODLers maximize profits through buying low and selling high? There’s a highly upvoted reply online that goes like this: Still the same saying: 'These are hard-earned lessons paid with real money.' Actually, in the crypto world, the harder you try (the more frequently you trade), the more you lose. In theory, buying low and selling high is flawless, but in practice, it’s as difficult as catching a falling knife—more often than not, it ends up being buying high and selling low.