Expat life is lucrative. What to do.
https://travel.state.gov/content/travel/en/us-visas/immigrate/the-immigrant-visa-process/step-1-submit-a-petition/i-864-affidavit-faqs.html#aos23
Read the sections on “establishing a petitioner’s domicile” and “maintaining domicile while temporarily abroad”
Opening a bank account, transferring funds, seeking employment are all on the list