Accurate, Timely Document Translation

I have several documents that need to be translated with absolute accuracy and a natural flow in the target language. Quality matters more than speed, but I do expect a reasonable turnaround so my project schedule stays on track... (Budget: $15 - $25 USD, Jobs: Content Writing, Editing, English (US) Translator, Language Tutoring, Proofreading, Technical Writing, Transcription, Translation)