If you are on a metered water source,  efficient use of that resource will save money.  Timers & irrigation control methods are particularly good at helping you tune this approach.

LeakyPipe will help save money with labour costs of watering any landscape.  Also, a big saving can be made by ensuring that new plantings are efficiently established with minimal loss and replant costs.  

Landscapes can double their growth over the period of the first four years if a judicious watering plan is applied.   This benefit is particularly useful to Clients who are looking to develop and maintain quick Shelter Belts and Green Screens as a part of their Development Plan.