Below is a flow diagram based on my experience on how you should start your bug bounty journey. Irrespective of your technical background, this flow diagram is applicable to all. Download the .drawio file for all details.
Bug Bounty Methodology (image format). The above image format will not have all details, to get all details download the .drawio file
https://github.com/Le4kno3/Beginner-Bug-Bounty-Guide/blob/main/how-to-start-bug-bounty.drawio
Open it using https://app.diagrams.net/
Medium Blog: https://takshil-patil529.medium.com/beginner-bug-bounty-guide-365e4c00d730