This document provides an overview of e-commerce and how to get started selling products and services online. It defines e-commerce as the buying and selling of products or services over electronic systems like the internet. It outlines what can be sold online, from digital to physical goods and services. It then discusses the basic requirements to get started, including setting up a PayPal account to accept payments. Additional options like using a merchant account or shopping cart software are presented. The document concludes by covering other aspects of online selling like delivery, reporting, promotions, and accepting other payment methods beyond credit cards.