Post it on Facebook Market place as free! You'll be surprised. I was getting rid of a good water bed and my wife said no one is going to take that. I listed it at 11:45 pm and in like 3 minutes I had people asking is it still available? I said you're the first. They picked it up the next day!
Yea trenching with a backhoe sure cuts down on the manual labor. A couple of years ago I dug a trench to run service to a sub-panel in my building. just wish I had a more narrow bucket. Mine is a 15" sure made a lot of dirt.