The return on investment (ROI) calculation will depend on several factors,such as the from purchasing fewer elevators, as our trolleys can travel up and down. Additional savings include reduced power consumption, labor costs, and lift maintenance expenses. Intangible costs, such as the risk of unsecured deliveries and the potential loss of valuable items, as well as the costs associated with tracking and documentation in case of legal issues,These are additional related costs to be saved. ROI generally comes in 2-3 years. ROI is faster if hospitals beds are more.