You can do anything you set your mind to. If you put enough focused time, energy, and (possibly) money into accomplishing a goal, it will get done.
The reason why many people don’t achieve their goals is because they aren’t willing to make the necessary sacrifices of time, energy, or money to achieve it. Or maybe they’re afraid of looking dumb or failing so they aren’t willing to put everything on the line. Maybe they don’t know where to get started, so even though they want something, they are putting their time, energy, and money into the wrong places.
Get a mentor and peers – someone who has done it before (what did they do to get started. Take the principles and apply them to today), who is still doing it (keeping up with what is relevant and working right now), and who is at a similar position (but in a different region so you are not in direct competition with them).
Be decisive. Once you have enough information, act on it. Don’t be an over consumer of information and fail to produce anything.
Be confident. Speak clearly, succinctly, and as an authoritative figure. If people come to you with questions and you want to be viewed as the expert, do these things. Otherwise they will second-guess you.