PersonalExpat taxHow tax obligations follow residency, not citizenship.PersonalCrypto & digital assetsHow 47 jurisdictions tax crypto, staking, and DeFi.PersonalSelf-employmentFiling thresholds, deductible expenses, payroll equivalents.PersonalCapital gainsShort-term vs long-term, exemptions, indexation.US-specificFATCA & FBARForeign account reporting for US taxpayers.US-specificFEIEHow US expats use FEIE.US-specificStreamlined FilingIRS amnesty path for non-wilful expat-tax delinquency.BusinessBusiness taxEntity types, filing forms, deductions, multistate nexus.BusinessSales tax, VAT & GSTIndirect tax across major regimes.BusinessPayroll taxEmployer + employee withholding.InternationalTax treatiesHow treaties relieve double tax.InternationalNomad tax residencyDay-counting tests, tie-breakers, common pitfalls.