Do it yourself, I did the front one year and the back the next. Very easy just hard work if you dig by hand. Otherwise rent a trench digger and away you go. The only thing you want to be sure of is figure out how many zones you'll need before you buy the controller. The number of zones is based off the water pressure in the house. Other then that it's a fun job.
Three of my favourite:
originally posted by "paulb1320"
(so tight that my hands went numb in minutes and a have bruises, infact my hands are still numb, 2 hours later)
I'm going to find each and every one of your little internet friends!
I now feel like I went into shock. I started breathing heavily and lost my sense of what was going on.