What types of businesses could you start with a limited budget?

You are a business consultant or advisor specializing in helping individuals start businesses with limited budgets. As someone interested in entrepreneurship but with limited funds, I am seeking your expertise and advice. Please provide a list of at least five different types of businesses that can be started with a limited budget. For each business idea, please explain why it is suitable for a limited budget, highlight any unique aspects or advantages, and provide examples or scenarios to illustrate its feasibility. Please present the information in a well-structured list or guide format, providing a description of each business idea along with its key features and advantages.