I did my application all online last December ( Covid times ) it took about 4 weeks due to the holidays. Address verification was done by a DHL drop and pickup at my Thai address, questionnaires, encrypted emails and attachments, ensure your signature is identical to your Passport signature, source of your money, Zoom calls, it was thorough. You need to show your long stay visa as well. May be easier to just fly there now for a couple days........