The Finance and Investment Toolkit was created by ex-consultants and investment bankers to help users with various finance and investment related tasks. It includes frameworks, tools, templates, tutorials, examples and best practices covering areas such as building business cases, financial models, financial statements, valuation, and investment strategies. The toolkit aims to assist users in getting project approval, estimating financials, analyzing performance, creating business plans, prioritizing initiatives, and more. It provides Excel templates and step-by-step guidance for tasks like developing budgets, modeling cash flow, and monitoring investment opportunities.