My problem is that I have an issue managing them, whether to sell some and keep some, but I don't even know the ones to sell and the ones to HODL, and they keep turning into shit, a help will be appreciated buddies
Then go back to the drawing board. Choose about 5 coins and research on them. Whichever one you feel has good future prospects, then buy back and hold that.
I believe you will be able to mange few effectively well.