Almost every crypto newbies have greed in them and I was once like this until I make some mistakes, crypto requires long term learning and the only safe rushing zone for newbies is investing on top coins like BTC, LTC, BNb etc only, they can do this and face studying more about crypto, to trade or invest in new coins can't be rushed, it requires long term learning
You are right crypto requires long term learning and we all learn from mistakes, the fact that we got knowledged before others help us to make better decisions. I believe the will all get better with time but again dont get too greedy in crypto.