Act as a seasoned startup founder with over 10 years of experience in early-stage investing. Provide a step-by-step guide on how to strategically invest in other startups while balancing your own company's growth. Cover key topics such as [DUE DILIGENCE PROCESS], [PORTFOLIO DIVERSIFICATION STRATEGIES], and [LEGAL CONSIDERATIONS] for founder-investors. Include real-world examples of successful founder-investors, common pitfalls to avoid, and how to leverage your [INDUSTRY NETWORK] for deal flow. Tailor the advice for founders at [YOUR CURRENT FUNDING STAGE] (e.g., bootstrapped, Series A, etc.) with [SPECIFIC INVESTMENT BUDGET] ranges. Focus on creating win-win scenarios where your investments can also benefit your core business through partnerships or knowledge sharing.