This document provides an overview of starting an e-commerce business online. It discusses why to start one (to make money), what to sell (existing products, product licenses, or new products), where (on the internet), who the customers are, and how to set up the business platform using tools like Shopify. It also covers topics like demand harvesting versus demand creation, using search engine optimization (SEO) and search engine marketing (SEM), and how to calculate customer acquisition cost (CAC) versus lifetime value (LTV). Cost estimates are provided for domain registration, advertising, development, and ongoing marketing.