We get notified when they are coming by email and phone. When the salt it delivered, it is carried downstairs to our softener as the bags are too heavy for us. If we aren't home, they still deliver. Billing is sent by email so all is very convenient.
It's nice to have a service if something goes wrong, they know what to do. Delivery of salt, maintenance of machines, and dependable machines.The techs have always been very knowledgeable about the system and patient to explain what they do.
There is definitely a difference in the water quality and taste when it is filtered. Culligan has provided a whole house system for us and they have been very good at maintaining it.