Owning a swimming pool isn't at all what it used to be.
You don't need to add chlorine every couple days - you don't need to worry about it "going green." 
Technology has come a long way in helping people ENJOY their pool instead of maintaining their pool.

Salt Chlorination

This is now considered to be "standard" equipment on pools. It ensures that the pool is always sanitised and is used as a timer to turn the equipment on/off daily.

Controllers

You can have a separate box that allows you to plug in many pieces of equipment and "program" them to come on/off or you can operate from your smart devices. This can be pool equipment, garden lighting, watering systems or anything else you want to control from your phone?

Automatic Cleaning

Depending on your pool construction, your budget and the environment your pool will be in - there are many options to clean your pool daily and automatically