Please do keep posting. It's helpful.

Also, while the Godot online tutorials and help are lacking (though better than they've been in the past, from what I'm led to believe), there are some really good tutorials online, particularly the ones from HeartBeast, Game From Scratch, and Jeremy Bullock:

https://www.youtube.com/channel/UCrHQNOyU1q6BFEfkNq2CYMA

https://www.youtube.com/channel/UCr-5TdGkKszdbboXXsFZJTQ

https://www.youtube.com/channel/UCwJw2-V5S1TkBjLQ3_Ws54g

They each should have Godot 3 tutorials, too.