ChatGPT Prompt: I am interested in starting a business but I am struggling to identify a profitable business idea. Could you offer me [number] tips for identifying a profitable business idea, including market analysis, customer research, and identifying gaps in the market? It would also be helpful to understand how to evaluate the potential profitability of a business idea, including analyzing the cost structure, revenue streams, and competition. Additionally, are there any common pitfalls or mistakes to avoid when evaluating business ideas?