Start with one sale
A stable baseline makes an upgrade test meaningful.
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Fix the stage that is actually waiting.
A bigger factory is useful only when the next purchase clears the first repeated queue. This checklist keeps one variable visible at a time.
Checked September 29, 2026 · place 105072660911040
Diagnose the first stalled handoff
| What you see | Test next | Useful result |
|---|---|---|
| Oil sits before processing | Check the active conversion stage and its input prompt. | Oil leaves the queue and a product appears. |
| Product waits after conversion | Trace the output path to the selling destination. | A sale credits visible cash. |
| Workers are hired but output is unchanged | Repeat one cycle with the same input and compare the first wait. | The changed stage is observable, or the worker is not the current fix. |
| Offline production returns a large pile | Collect it, then watch which stage fills first. | Returned supply is converted and sold instead of becoming a new blockage. |
Upgrade priority
There is no universal price order in the official description. Use this order of questions: Can I complete a sale? Which stage waits first? Does the purchase description match that stage? Did the next cycle change?
Explore after the line works
NPC and secret hunting is easier when your factory can fund the trip.
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