Here is another post with resources to use for Idea Validation:
Facebook LIVE for Business – How to Get More Followers, Likes & Increase Sales YouTube video 7:15. This video is a good introduction to Facebook Live but start watching at 1:40. The first part is just chatter.
Facebook LIVE Streaming Tutorial — 8 Facebook Live Tips YouTube video 19:25
HOW TO ADD CUSTOM OVERLAYS ON FACEBOOK LIVE | FOR MAC OR PC YouTube video 13:34
How to Use OBS Studio (Beginners Guide) YouTube video 8:57.
OBS Studio Tutorial 2018 (Make Your Streams Look Pro) YouTube video 17:48.
Free and open source software for video recording and live streaming.Download and start streaming quickly and easily on Windows, Mac or Linux.
The best thing about OBS Studio, in addition to the fact that it is free, is that there are many excellent tutorials on YouTube on how to use it.