Watering systems are not a one-size-fits-all proposition. Good irrigation systems need to fit the terrain and, as well, address the other particulars and variables unique to your site—in addition to matching your requirements and resources.
Water is wealth itself. Not a claim on wealth like money, but the nonfictional stuff that allows civilized, or for that matter uncivilized life to happen.
Is it not curious how we recognize and love the beauty of nature? With the smallest remove from the press of need we begin to select in our surroundings for beauty, efficiency and ease.