Not all people are born with the sales gene. Neither it is easy to sell the things, especially online. When it comes to online selling there are number of initial investments are to be made such as setting up the storefront, integrating a payment gateway, managing logistics etc.
However, to make online selling easy, there are platforms such as Instamojo, PayUMoney, Shopify, Gumroad which let users to set a store on their website for which they charge seller a particular amount from sales. Furthermore, taking the mobile first approach in online selling is a platform called as mY Window.