Creating a business and get customers is hard. After spending all that time creating a business, investing hours and hours time, the last thing you want is to see someone copy your idea and steal your customers. It's tough though to defend a business these days. If you want to protect your business, create a 'defensible moat', then build a powerful business model, not just a business. Use these resources to help you: What is a business model? - it includes free downloads and more resources.