To answer your question, no, not a lot of experience. That's an excellent point.
Related to marketing, I think that's my bigger challenge. The confusion about how to market on this platform is a difficult learning curve. How to get started is certainly not apparent without randomly finding good posts at this point, since I have not yet figured out a good strategy to find the gems that I struggle to find now. What I've read so far can sometimes contradict.
Decentralization is a strength of this platform but also makes it very difficult to get started on it. I'm sure I'll get it figured out eventually, especially since people seem willing to engage.
So far your recommendation about how to pick tags is exactly how I've been doing it, so that's helpful to know there isn't some other special place I don't know about to find out what tags are effective.