Underrated budget options I keep coming back to [v3]

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

Long-time lurker, first-time poster. Looking for honest feedback, not validation.