Obviously quality information can be gotten from lower ranked members, if you had heard that it can't from someone here, don't take it too serious as he/she must have made a mistake generalizing it due to the experience that most newly created accounts are turning out to be troll account or created just to spam the forum to gain activity for potential ranking up after getting the merits by any means they can't. We have had some quality newbie accounts that have gone on to become a popular name on the forum due to their quality, if you have the potential nothing is stopping you from achieving that too but don't post repeated content and expect us to call it quality.
1. Mindset.
2. Learning.
Contrary to trading, you can invest in Bitcoin and HODL to avoid the whole stress of trading but if you have made up your mind to trade, doing the two things listed above isn't enough. You can have the right mindset and be learning but you need more than that to have a successful career as a trader because the learning don't stop and the experiences is needed to have a successful career, you also have to know how to generate capital because you don't expect things to go smoothly. This advise though is a good start and if you keep building on them you'll have potential of having a successful career.