Contact
Contact CrossMargin
If you notice calculator logic issues, content errors, or broken links, send details and we will include them in the next content-maintenance cycle.
Recommended feedback format
- Page URL with full link
- Issue details and expected correction
- Optional screenshot or supporting source
Useful reports
- Unclear formulas, default values, or unit labels
- Broken links, navigation issues, language-switch issues, or mobile display problems
- Outdated platform fee, advertising term, or listing-rule references
- Privacy, disclaimer, or ad placement concerns
Response note
CrossMargin is a continuously updated public tool site. Most fixes are batched into regular update releases; calculator errors, privacy notice issues, and ad placements that interfere with core workflows are prioritized.