Why it matters
Upgrades help progression, but they do not replace careful scanning and document checks.
Checkpoint routine
- Earn cash through completed inspections.
- Review the current in-game upgrade choices.
- Choose based on the bottleneck you actually encounter.
The game interface is the final authority. This page summarizes a workflow from publicly
verified mechanics and does not expose hidden game logic.
Keep learning
Practice the complete sequence with the Checkpoint Inspector, or return to the full priority list.