Well, it is nice that you started investing in cryptocurrency and I expect that you have the prior knowledge in investment to avoid losses, when it comes to materials or information you need to gain more knowledge and techniques in investments, there are many people that their expertise is inline to investment might be as well search for the legit people that will offer courses about that field. But if you don't want to pay for courses then search for legit and valid blogs or tutorial videos on the internet, now a days many experts give free tutorials, just always remember to look for validity first because there are many scammers out there.