You already answer your question and that is having knowledge will be the best weapon of any individual in trading industry. So right now that you are still a beginner here, you must prioritize learning all things about trading and how a trader play the market everyday. You can start reading on some threads here in the forum as well search it in the Google if you still want to learn more. Then next thing to know is how the coins moves in the market and also how to choose the best profitable circulating in the market. And lastly be always calm and think twice in every decision you would want to make and visualize the possible result of your action so that you lessen the probability of you losing money.