You obviously have more exp than most ppl here on YT squire, any advice
One thing I'd say is take it easy and don't get depressed if your video doesn't get any activity/comments/views/etc. It can take YEARS for a video to get noticed, but when it does it can tend to speed up pretty fast.
A good example is this
This was just an injoke video I posted for 2 friends to see. But I left it public. For a few years it had no comments and had like 10 views. Then one day, it accidentally ended up in the related videos of an
. Then a few days later,
the comments and views ****ing exploded *tap dances with excitement*.