The first thing to do when trying to achieve your goal is to start. Sometimes it might be writing, all you need to do is hold up the pen and start writing with enough focus and concentration, you will get it right. For others it may be creating videos, you can only learn and know your mistakes if you have started. Do not worry about what people will say. Same people will applaud you once you become successful. Infact use critiques as stepping stone to your destination (your goal.