Installing a sump pump in an existing basement may involve some digging. There are two types of pumps: submersible and pedestal. Depending on the amount of work involved, the cost may be even higher. Your pump should also have a float switch that detects when water accumulates in the pit. A sump can be installed in a basement, crawlspace, or outdoors. They will also help you compare prices. The installation of a sump pump is a great way to prevent water damage. If you are considering installing a pump, you should first learn more about the pros and cons of a system.