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Passport Portfolio Arbitrage.

Calculates the optimal mix of "Citizenship-by-Investment" (CBI) programs to maximize global visa-free mobility and tax neutrality.

## Citizenship is a Service

Your birth passport is a legacy constraint. Your second, third, and fourth passports are professional tools. This tool models the 'Mobility ROI' of CBI programs.

### FAQ

**Q: Why do I need multiple passports?**
A: Option value. In a world of sudden border closures and travel bans, a portfolio of citizenships is 'Freedom Insurance.' This tool models the trade-off between investment cost and the 'Mobility Power Index.' It also calculates the 'Tax-Residency Alpha'—helping you move between jurisdictions to maintain zero-tax status legally.