The purpose of self branding is to show the value of doing business with you within your niche. In today's internet world this is being done more with Video than any other system.
What you have to remember is people buy from people they know, like, and trust. If you are being real, even if you don't have the best equipment, and have no idea of how to stage, people will become buyers.
As long as you are being real people for the most part don't care about your looks. Give them real value. This is why they are searching for in the first place.