Online and mobile communities have never been so popular - and there has never been a greater opportunity to create huge wealth by launching your own! You don't need to be experienced, nor do you need a lot of capital. You don't even need to create a new product or conceive a new service. In forming an online or mobile community you simply aggregate users who will exchange information - and pay you for the pleasure of doing so. In Smart Start-Ups David Silver explains this phenomenon and provides prescriptive advice for everyone, from graduates looking for their first start-up to experienced business people who want to make the leap from manager to owner. Read and discover: Precise blueprints for over two dozen business models that anyone can launch; Dozens of revenue channels for early-stage communities; A unique scoring system for you to decide whether a start-up is worth the risk. If you work in an industry that is trying to avoid permanent damage to its diminishing customer base from new online competitors, you can use Silver's ideas to protect your market share.