Yes, gaining sufficient knowledge first is a must if you are a newbie. But you don't think much about profit, better to focus on learning everything you need in trading or investing. Someone who thinks too much about profits in the early journey in crypto industry, may accidentally be in hurry to buy some coins because of greed. Then, finally he will forget to learn, and only focus to chase his losses. Because of this reason, a newbie must focus to learn and not too much dreaming about huge profits.