Jin US ↔ JAPAN MONEY
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Before you leave

What to set up while you still have a US address, a US phone number and a working login — the things that are far harder to fix from Japan.

Bank 2FA without a US phone number: which logins actually work on an authenticator app

Most US banks now support authenticator apps for 2FA, but password resets still need SMS. Here's how to switch each account type before leaving the US.

Aug 4, 2026

Does Zelle work internationally after you leave the US? The P2P apps that break at login

How Zelle, Venmo, and PayPal work after moving abroad. What breaks at login, what to set up before you leave, and alternatives for international transfers.

Aug 4, 2026

Federal student loans when you move abroad: the $0 IDR payment, explained

How FEIE reduces federal student loan payments to $0 on income-driven plans while working abroad. Key caveats: interest keeps accruing, forgiveness is taxable.

Aug 4, 2026

Selling your US home before moving abroad: the Section 121 timing window most expats miss

Home-sale capital gains exclusion up to $250k/$500k with 2-of-5-year ownership rule. Understand when to sell and tax residency timing for expats moving abroad.

Aug 4, 2026

TreasuryDirect and I bonds from abroad: the locked account nobody plans for (and the 16-week unlock)

TreasuryDirect blocks new accounts from abroad. Existing accounts lock when you move. Unlock via FS Form 5444 with notary. Embassy processing takes 16 weeks.

Aug 4, 2026

Medicare when you move abroad: keep Part B or drop the $202.90/month you can't use?

Part B covers nothing abroad but carries re-enrollment penalties if dropped. The decision hinges on whether you'll return to the US for care.

Aug 4, 2026

How much money should you save before moving to Japan? A real-numbers breakdown ($8k–$22k)

How much to save before moving to Japan: $8k–$22k total. Covers apartment move-in, flights, visa, setup, living buffer, emergency fund, and ongoing US costs.

Aug 4, 2026

Google Voice vs a real US number for bank 2FA: why free sometimes fails at the worst moment

Google Voice keeps a US number alive for free — so why do some banks refuse to text it? How VoIP detection works, how to test your own accounts before you leave the US, and when a $5 real number is the safer anchor.

Jul 10, 2026

Porting your US phone number before you move abroad: keep it for about $5/month

Keep your US phone number when moving abroad by porting to an MVNO before you leave. Essential for 2FA and banking access. Costs about $5/month.

Jul 10, 2026

Keeping a US phone number after you leave: the 2FA problem nobody warns you about

Move abroad, your US SIM dies, and suddenly you can't log into your bank, brokerage, or credit cards — the 2FA code goes to a dead number. Here's what actually breaks, why VoIP isn't enough, and how to keep a real US number for a few dollars a month.

Jul 4, 2026