In the initial six months of introducing a peer-to-peer car rental service on Grab, I would analyze the following metrics to evaluate the potential of this sector: User Acquisition Rate : I would monitor the rate at which new users are adopting this service. A consistent or rapid increase would indicate a positive trend. User Retention Rate : This metric reflects how many users are returning to use the service and the frequency of their usage. A high retention rate may suggest greater customer satisfaction. Average Revenue Per User (ARPU) : This metric helps gauge the revenue contribution from each user. An upward trend in this figure implies that users are finding the service valuable. Negative churn : This encompasses a decrease in the churn rate along with an increase in activity from existing users (upselling). A reduction in churn and a rise in upselling indicate not only customer retention but also that users are deriving value from the service, leading them to engage more. Customer Acquisition Cost (CAC) : This represents the expenses associated with gaining new customers, such as marketing costs, discounts, and promotions. If this cost is lower than the lifetime value (LTV) of a customer, the service is likely to be viewed as promising. These metrics, among others, will help determine whether the new sector is heading towards success.