No, a small startup checklist does not cover the different components required when starting a business. This is why it is important to have a business plan created so you can ensure your idea will be successful and you have all bases covered before executing on it.  As a result of running through the list in detail, one should strengthen their ideas about how the company will succeed with better market research and competition analysis. There are several templates available online that may help provide guidance for things such as financial projections and sales forecasts.  Finally, one must consider whether they need legal protection from something infringing on intellectual property rights- patents or trademarks are examples of types of protections that may be useful in this situation.