From my research and experience, there are three (3) key elements responsible for the sustainability of your business.
This is a zero cost business depending on how you set it up. If you decide to take people’s orders before you make your procurement then you would be trading with their money, at zero cost to you.
Most people look for reviews of previous buyers before they buy. You need to have your testimonies in an accessible format
Selah Someonetotalkto's Blog 