Nobody has ever learned everything they need to know. In fact, the best businesspeople keep learning throughout their career. Things change; the industry changes. Change will keep you on your toes and that is why you have to commit to being a life long learner.
Top agents attend seminars and conferences often. They invest in training and coaching. They never stop learning. If you want to be a top agent, then do not stop where you are at right now. Keep going. Keep seeking new information.
Do not be afraid to try out new things. Let yourself explore. Read as much as you can about the industry. Talk to others and learn from them. Make an investment in your education and in helping yourself to learn as much as possible.
You will find that the more you know, the better you are as an agent. Knowledge equals money, no matter what industry you are in.