Generate a full, in-depth guide for startup founders on the process of raising an angel investment round. The guide must be a comprehensive playbook. It should include detailed sections on: 1. What is an Angel Investor and How Do They Differ from VCs? 2. A step-by-step guide to finding and networking with angel investors in your industry. 3. How to craft a compelling executive summary and initial outreach email. 4. A guide to navigating the due diligence process from an angel's perspective. 5. An explanation of common investment instruments like SAFEs and convertible notes. Please include a strong disclaimer to consult with legal and financial advisors.