Before your settlement:
- keep at least one bank account in France;
- ideally plan for two international cards;
- check the payment and withdrawal fees in Vietnam;
- temporarily increase your limits if necessary;
- notify your bank if they recommend declaring travels;
- keep copies of your important documents;
- maintain accessible financial reserves in Europe.
Once in Vietnam, obtain a Vietnamese number, stabilize your residency situation, compare several banks before opening your main account, and properly activate the application and security devices.
Finally, systematically keep proof of your international transfers and the source of your income.