Want to open Start-up [on hold]

I have done MCA and now I am working as a software developer. I want to open my start-up, actually I tried it but for the lack of good team I had to shut it down. I tried to took opinion from my friend some are saying work in industry for 3 - 4 years and then go for it. some are saying you can do it now. being more specific

1. what are the steps I need to follow to open my startup.


2. Do I require to become great coder ?