The short answer
The Professional Screwdriver is the safest first upgrade because screw removal is a repeated step across many repairs. After that, prioritize the cleaning tool you use most often. Delay purchases that solve a narrower problem until the shop is actually generating that problem often enough.
Recommended launch-build order:
- Professional Screwdriver.
- Brush or the relevant basic cleaning improvement.
- Air Duster when its speed is worth the ongoing consumable cost.
- Ultrasonic Cleaner when compatible dirty parts are becoming routine.
- Shredder when broken-part storage has become a real constraint.
Step by step
1. Use frequency as the first filter
A tool that saves time on nearly every device usually matters more than an expensive station used occasionally. The screwdriver belongs near the top because disassembly is part of the game’s core loop, not a special-case job.
The official achievements and the illustrated launch guide both confirm the Professional Screwdriver as a real progression target. Current-version player experience independently identifies the screwdriver as an early efficiency purchase.
2. Improve the repetitive cleaning step
Basic cleaning also appears throughout the repair loop. A brush improvement can reduce friction without adding the same kind of recurring consumable decision as compressed air. Buy it after the screwdriver if cleaning is occupying a large share of your bench time.
3. Treat the Air Duster as a cash-flow decision
The Air Duster can make cleaning faster, but the practical benefit comes with consumable cost. That changes the question from “Is it faster?” to “Can the shop support using it regularly?”
Use it when:
- you have a stable cash reserve after required parts and licenses;
- cleaning time is holding up several active jobs;
- the convenience matters more than conserving every early coin.
Delay it when a single replacement part or license purchase could stop the business loop entirely.
4. Buy stations for problems you already have
The Ultrasonic Cleaner and Shredder are useful, but they solve different inventory problems.
| Purchase | Problem it solves | Good time to consider it | |---|---|---| | Ultrasonic Cleaner | Automates an eligible cleaning task | Compatible dirty parts appear regularly | | Shredder | Converts confirmed broken parts into value | Broken-part storage is building up | | New license | Opens more repair business | A near-term job or part category needs it |
A simple purchase test
Ask four questions before clicking buy:
- Did I use this tool in several recent repairs?
- Does it remove a repeated manual step or unlock a new capability?
- Does it create an ongoing consumable cost?
- Will buying it leave enough cash to finish the jobs already accepted?
If the answer to the first two is no, the upgrade is probably early. If the fourth answer is no, it is definitely early.
What not to assume
- This order is not a mathematically proven speedrun route.
- Public launch-build evidence does not support exact payback days or ROI percentages.
- The most expensive tool is not automatically the most valuable early tool.
- A “best license order” needs a complete, verified license and job-value dataset; this guide does not invent one.
Sources
- Official Steam achievements — confirms the Professional Screwdriver and equipment progression targets.
- Kleynce’s illustrated 100% guide — shows the Professional Screwdriver in the launch-build shop.
- Into Indie’s beginner guide — independently compares the early screwdriver, brush, and Air Duster experience.