Passive income: YES

Earning passive income from the Smart Real Estate Investment Portfolio Optimizer side hustle is a realistic possibility for many individuals. By setting up automated systems to analyze and manage real estate investments, passive income can be generated once the initial setup is complete. While it may take time and effort to develop these systems, they can eventually run on their own with minimal intervention. However, reaching this level of passive income may not be achievable for everyone, as it requires a solid understanding of real estate investment strategies and market trends. Some individuals may find it challenging to set up and maintain the necessary automation processes. It's important to note that while passive income is attainable, it may not be as passive as some may expect, as ongoing monitoring and adjustments may still be required to ensure optimal performance.