Q: We are getting ready to sell our house, and one of the reasons is our next-door neighbor. He throws loud weekend parties that run late into the night, leaves trash in his yard for days and has gotten into shouting matches with several people on our street. We have called the police twice. Do we have to tell potential buyers about him? We are worried that if we do, no one will want to buy our house. — Angela A: Selling a home is stressful enou…