Research on the subject Once you select an interesting subject,the more time you spend on the research the better your final product will be. Although a documentary depicts facts, it is important to come up with an angle that will make your documentary stand out. And the research will help your arrive at just that. You will be surprised to see how interested people will be to talk about their work and to show it off on a video. You might even find a new angle for your documentary once you talk to them. Research the place, permissions and people Never assume anything even when you know the Mr. President of a place. Talk to the security personnel and also make sure the legal advisers are OK with your shoot. I have learnt this the hard way while shooting my thirty second Identity Theft Video. Visiting the factory outlet every month and spending my hard earned money did not give me the right to shoot inside the stores. On the day of the shoot, with great respect they sai...