I usually do that when it comes to memecoins. I always take out my initial investment and keep the rest for potential big gains.
But sometimes, after selling for a decent 50% or even 100% profit, that coin goes on to multiply by 10 or even 50 times. Sigh
Well, I guess I have to accept that profit is profit. And you're right! one shouldn't get too greedy and end up losing their initial investment too.