20 Tips for a professional video

Relax your face
Smile
Focus on yoga-esque breaths
Nixe the non-verbals
Mic it up
Lighting to look your best
Have a good posture
Overemphasize everything
Be concise
Sit on your tails
Make-up
Hydrate
The camera is your audience
Hum a happy song
Comfortable clothes
Soothing your throat
Be yourself
Have fun