NicNac SystemsAll NicNac tools

Free · NicNac · 2026-10-17

Change Order Margin Guard

For Service-business owner reviewing added job scope. Extra work is approved informally without checking labor, material, overhead and margin.

Runs locally in your browser. No account, payment, upload or connected AI. Use non-sensitive information.

Your working context

Use it well

Enter Change | Labor hours | Hourly cost | Materials | Overhead % | Customer price. The tool calculates entered cost and margin; it does not create a contract or approve a change.

  1. Load the fictional example to learn the input format.
  2. Replace it with your non-sensitive context.
  3. Use Guided setup for staged field suggestions, then validate.
  4. Review before downloading a report, CSV or PDF.
Download offline application Download app + guide + example

The offline application includes the same deterministic guidance and generation. No model or external service is connected.