If you believe luck has to be responsible for your woes in cryptocurrency, I will say it is not the same for millions of people trading and investing in cryptocurrency. I think luck has little to do with the level of success you enjoy in cryptocurrency, skill and proper understanding of cryptocurrency and good planning does!
I agree. If you are investing in crypto currency by just luck as your basis, then there are big chances you may loss some of your investment. I suggest before you invest you may do research for the coins you want to invest in that way you may determine if it has a bright future for long term or just a speculative one.