You need to watch the market yourself and get a real understanding of the market. 

I feel that I've watched enough videos and I am continuing to read.

It is important to always watch the market.

What strategies have worked for you, and what should I watch out for?

There is no wrong way to do this unless you aren't doing it at all OR you're harrassing peopleIf you find yourself attending a bunch of educational webinars, watching too many tutorial/training videos, or anything other than those 2 things, take some time to stop and reflect. 

Watching the strike team go wild slapping stop work orders like crazy. 

You can watch and read all the books in the world.

part of BRRRR is sweat equity and watching things closely, and that's exactly what you can't do remotely / from Internet.you tell me - how will you not do this?

Have you watched any of the shows on YT like this?

Slope is not your friend, neither is poor access and there are many more to watch out for.