Looking for the latest update on a tight budget

Spent the last few weekends digging into this and the deeper I go the more questions I have.

Mostly thinking out loud — feel free to push back hard. Quick context: I am relatively new to this and trying to find my footing. The trade-offs here are not obvious to me and I keep flip-flopping.

Not sure if this is the right place to ask, mods please remove if it is not.