The honest math on building your own AI box in June 2026, who it actually makes sense for, and why timing matters more than people think. I did a full write up on my blog: https://www.rayfernando.ai/is-going-local-worth-it-right-now The short version: For most people, right now, rent via the API and wait. The hardware just got more expensive, the memory spike behind it may cool off, and the models actually worth obsessing over don't fit on a single box anyway.