I dont need to apply lived here since 1978. I am not mistaking Ai for consular policy after helping numerous people abtain DTV and seeing some refused because they have not met that requirenent
Technically you need to have those funds in your account for 3 to 6 months. Some are getting away with much shorter time periods. Be prepared for that to end as things are tightened up in the coming year.
Didnt you ask a similar question a few days ago on another profile, Only starting off in another country and then hoping you could have it approved in vietnam