Dos and don'ts for 2-4 year old PMs traversing current markets

(other than 'switch to engineering') Some things off the top of my head: 1. Should you look past India? MBA/MS in Europe/USA 2. Switching to P&L roles 3. Industries to go after/stay away from 4. Things to look out for while joining a company 5. Should you join early startups/late startups/mature companies 6. Career frameworks that have worked well for you 7. What does the future hold? Next 5, 10, 20 years Feel free to share anything else.