fwiw, I've read that you don't need proof of residency for DTV but just proof that you are staying in the country from which you apply -- ie, a hotel booking
I don't have the exact location, but we used on across the street from the Singapore embassy here --
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-- I can't find the translation service on Google, but they translated our marriage certificate from French to Thai. We waited one day for the translation. I don't remember the cost but it wasn't expensive.