Proof of location: make sure you include your entry stamp to Vietnam. I uploaded a (merged) pdf with entry stamp, visa, boarding pass and hotel confirmation
Financials: yes 6 months, up to the day you apply (e.g. I applied
****
and included
***
/24 -
*****
/2025)
No need for proof of residence, it just asks you for an address in Thailand and whether it’s a hotel or private residence, etc. Just fill in the address, that’s it.
Some embassies (London, Kuala Lumpur) ask for rental agreements etc. But not in Vietnam.