...and think I am at the overwhelmed stage that others seem to have gone through...
I completely understand. I went through that once when I first set up the site at the end of August and again more recently when I upgraded to the newest version and switched to Dragonfly (as Clean Theme is no longer being updated).
It does get easier once you know your way around a bit (and perhaps, like a lot of us, you weren't WordPress savvy when you started - the learning curve has lots of components )
Just wanted to be sure you knew about the main Symbiostock forum in case you didn't
