Years ago a coworker brought a property and the new survey revealed that his neighbors stone wall, running the entire length of the boundary, was sitting a couple feet onto his property. The neighbors kids used to run along the top and play around the short wall. His lawyer recommended as a CYA for potential liability, to have a conversation with the neighbor and have him sign a lease the lawyer drew up. IIRC it was like a 100 year lease for the sum of $1. My co-worker spoke to the guy and joked that the lease and a 6 pack would seal the deal. The neighbor became enraged and stated the wall had been there for many years and it was on his property, stating the new survey was wrong. Fast forward. After multiple surveys (the neighbor ordered a new one that confirmed his wall was on my coworkers property. He eventually found a surveyor to agree with him), lawyer fees, etc., they end up in court. The judge looks everything over and finds that the wall is on my co-workers property. The judge tells my co-worker it's his call. Offer to lease an easemant he had originally, or have the wall removed. My coworker was so pissed at all the neighbor put him through, he had the judge order the guy to remove the wall.