How to become a Business Analyst/Product Onwer

As BA / PO roles are now selling like hot cakes in the Market . I would like to take you through of the key responsible areas of a BA/PO .

1. How to start as a BA/PO
2. BA/PO techniques
3. User story writing skills followed by Acceptance Criteria
4. what is scrum and how it works in Agile
5. How to gather requirements
6. How to create EPICS/Features/User Stories
7. Agile Project Management Tools
8. Product Management
9. Documents on PO/ BA
10. Interview Questions and Answers for PO/BA