Most people pursuing financial independence assume they can relocate anywhere without tax consequences—but U.S. citizenship changes everything. David McKeegan, founder of Greenback Tax Services, helps military couple Megan and Matt navigate the minefield of international tax planning as they prepare to move between the U.K. and U.S. while managing dual military careers, rental properties, and a path to early retirement. The episode covers critical tax planning for expats and returning Americans, including how to handle foreign property sales, avoid Passive Foreign Investment Company (PFIC) traps, manage the 183-day substantial presence test, and leverage Roth IRAs during military pensions. Whether you're considering international relocation or already managing cross-border finances, this episode reveals the often-overlooked tax implications that can derail your FI plans. Chapters [00:00:00] Introduction [00:02:02] Understanding Tax Implications [00:04:01] Capital Gains Tax Discussion [00:10:45] Investment Strategies and Tax-free Accounts [00:15:11] Green Card and Tax Responsibilities [00:31:30] Final Thoughts on Moving Abroad [01:01:21] Conclusion Key Takeaways U.S. citizens are taxed globally by the IRS, regardless of where they live or earn income. [00:02:02] Selling foreign property before obtaining U.S. citizenship or residency can help avoid capital gains tax uncertainties. [00:04:01] Avoid PFIC rules by ensuring overseas investments comply with U.S. regulations—foreign mutual funds can trigger punitive tax treatment. [00:11:13] Monitor days spent in the U.S. carefully to avoid triggering the 183-day substantial presence test and unexpected tax residency. [00:20:40] Roth IRAs provide tax-free growth for retirement savings, with flexibility to withdraw contributions as needed. [00:49:30] Notable Quotes David McKeegan [00:02:02]: "U.S. citizens are taxed globally by the IRS." Megan [00:01:26]: "The sooner you start, the sooner you'll achieve financial independence." David McKeegan [00:11:13]: "Avoiding PFIC rules is crucial for overseas investors." David McKeegan [00:20:40]: "Monitor your U.S. presence closely to manage tax liabilities." Action Items Evaluate your financial situation and speak to a tax advisor before moving abroad. [00:15:11] Research investment strategies compatible with U.S. tax regulations. [00:10:45] Consider establishing an emergency fund using a Roth IRA. [00:49:30] Sell foreign property before obtaining U.S. tax status to prevent additional capital gains tax liabilities. [00:04:01] File taxes correctly under FATCA regulations to avoid penalties. [00:08:27] Key Terms FATCA [00:08:27]: Foreign Account Tax Compliance Act; requires foreign banks to report on U.S. account holders. PFIC [00:11:13]: Passive Foreign Investment Company; foreign mutual funds may be classified as this, subjecting them to punitive U.S. tax treatment. Green Card [00:15:11]: Legal status allowing a foreign national to reside permanently in the U.S. Roth IRA [00:49:30]: Investment account allowing for tax-free growth of retirement savings in the U.S. Related Resources Greenback Tax Services: Specializes in helping Americans abroad stay tax compliant. [00:00:42] ChooseFI Episode 100: Framework for Financial Independence [01:02:03]