Haunted?

In the process of buying a house that is over 100 years old, I joked with the realtor about one Period room ‘that’s where the ghost lives’. Turns out people did die in that house, not in weird ways (afaik). Should I worry? Am I going to wind up with a Beetlejuice situation? Should I stock up on zagnut? How does one calm down a ghost if they live there?

No, this is a serious question