Calculating savings and return on investment for a hybrid wind-solar energy system is dependent on several factors, such as the initial cost of installation, energy consumption, and the amount of energy generated by the system. According to studies, the average payback period for a hybrid system is around 10-15 years, taking into account the savings on utility bills and the potential income from selling excess power generated. However, the payback period can be reduced by optimizing energy consumption and increasing energy generation through regular maintenance and upgrades. For example, replacing batteries every 3-5 years can significantly increase the system's lifespan and efficiency, reducing the need for costly replacements. In conclusion, while the initial cost of installation may seem daunting, a hybrid wind-solar energy system can provide reliable energy and potential savings in the long run, making it a solid investment for those seeking liberation from traditional energy sources.