Before uploading an MP4, ensure you’ve stripped the "Exif" metadata, which can sometimes contain GPS coordinates of where the video was filmed.
If you are speaking, use a dedicated microphone or ensure the room is quiet. Good audio is often more important than high-definition video for keeping viewers engaged.
A successful pilot video should act as an "elevator pitch" for your subscription service, giving potential fans a clear reason to subscribe.
Scan your background for "identifiable info" like mail, street signs visible through windows, or family photos.
If filming on a phone, use the "AE/AF Lock" (long-press on your face) to prevent the camera from constantly refocusing while you move. Source Safety & Privacy Reminders
Since this is a "Pilot," quality matters for setting a professional tone.