One of the main reasons why you need to use a cab service instead of commuting on your own is because it will be much easier for you to travel around the area. You don't have to waste your time in learning the routes that should be taken in order to reach your destination. If you were able to find a reputable taxi service, you don't have to worry about anything, because the driver will be taking you to your destination immediately.
Another advantage that you can get from a taxi service is that it will be cheaper compared to hiring an independent taxi. Taxi companies will provide their service for you at a fixed rate, and the driver won't be charging you with extra fees. This means that if you hired a reputable taxi company, you won't have to spend more than what the company will be charging you. This will make your travel much easier, because you don't have to worry about additional expenses anymore.
The last reason why you need to hire a taxi service instead of hiring an independent taxi is that you will be able to save a lot of time. If you are going to contact a company, the taxi will be sent to your location as soon as possible, and you don't have to wait for long hours just to find the one that will take you to your destination.