I am completely new to ERPNext. I would love to make it my career as ERPNext expert who can installm, manage, and support different would be companies to whom I would like to give consultancy and complete management and support of ERPNext. Please advise me on following points:
Which programming language, python, MySQL or frameworks I have to learn like python and frameworks\ how deep do i have to learn the necessary programming languages etc.
How long should I expect to take before I can start consultancy
You need to be thick skinned if you want to survive as a developer. You wanna learn swimming - dive into the pool! You will learn the strokes as you overcome your fear of water. Good luck in your journey!