Though it's not the easiest task, you can install an underground sprinkler system yourself, saving yourself a lot over the cost of hiring a professional to complete the project.

[danman]’s sprinkler system has four 12V AC valves that need wrangling, and no data cables, necessitating the wireless setup. Initially, his control box contained a 240V AC to 12V AC 50VA ...

However, there are DIY sprinkler systems now available that can save you up to 40 percent over a professional installation. Some you can even control with an app on your smart phone. And the ...

You can completely control your watering system ... the box interface completely if you want to. The bottom line: This unit isn’t dramatically more expensive than a “dumb” sprinkler ...