Most important you need to know about personal videos.
One of the most important guidelines is not complicate your life to make a video.
Video CameraYou do not need a sophisticated camera, a set of appropriate lighting, a study with good decor, a wide spectrum microphone with clip, or anything like that. It is true that if you have this, quality may increase, but the content which is definitely important thing, no. You will not have better content, nor have a better spreading the message by having a better team.