WRENCH FORWARD FIELD GUIDE
Find the margin leaks hiding inside everyday shop work.
Use eight practical checks to spot where labor, parts, write-offs, and workflow gaps may be quietly eroding gross profit.
WHY THIS HELPS
Use it to find the issue worth fixing first.
Owners and managers who know the shop is busy but want a clearer view of where margin may be slipping away.
You’ll walk away with
- Check eight common margin leak points across labor, parts, workflow, and write-offs
- Calculate loaded labor cost against your posted labor rate
- Choose the first leak worth investigating with your own shop data
What’s inside
A two-page field guide with an eight-point audit, a loaded labor cost check, score interpretation, and a plain-English diagnostic decoder.
PDF · 2 pages · September 2026 · Version 2.0
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