1. Everyone gets overwhelmed by the sheer amount of stuff we don't know. Look at it this way - when I started out I was seen as a bit of a JavaScript maven, and have just spent the last six months realising I was a decade out of date when I came back to it, and needed a lot of catching up

2. Mentors - I would ask on here for anyone who feels they can give a bit of time to keep you on track

3. What are your goals - starting a business, love the computer vision world and want more? Find one thing you love and can add value to and stick to it, give it a year if its wrong fine. But in that year you will learn a hell of a lot