The installation of a rainwater harvesting system can have a positive impact on the value of a property, depending on various factors. Firstly, the ROI potential of the system should be considered. In areas with high water costs or drought-pricing, the cost savings of the system may be significant enough to increase the property value. Additionally, the environmental sustainability aspect of the system may appeal to potential buyers who prioritize eco-friendliness. However, in areas with cheap water costs, the ROI potential may be low, and the system may not significantly impact the property value. It is important to note that the installation of the system should be done professionally and legally, with proper permits and regulations followed, in order to avoid negative impacts on the property value. Ultimately, the impact of a rainwater harvesting system on a property's value depends on the specific circumstances and market demands of the area.