Online marketplace is a very good idea to create profitable business. Due to this technology the number of people who make purchases on the Internet increases every year. According to a stat, last year more than 1 billion people around the world bought something from online. Thus, the eCommerce industry is ready to develop and expand. eCommerce is a serious business that requires an appropriate, clear and consistent approach. Multi-Vendor eCommerce website is the most profitable marketplace for creating a huge shopping center where each can place a large number of different stores. This is the most powerful online trading platform. In this article, we will discuss the beginner guide to setup a multi-vendor eCommerce website.