I do not have any knowledge on web designing. In fact, I cannot even operate a Wordpress site. However, I am thinking about starting a business on web designing niche. Well, you might ask how can I launch a business without zero knowledge. It is very simple. If you check freelancing sites, you can find freelancers offering web designing service for as low as $10. You can make a lot of money by outsourcing from these freelancers. You don't even need the knowledge of web designing.