Surely nothing will go wrong and they won’t uncover any secrets,attempt to clean or repair the place, discover that your uncle is both your great grandpa in disguise and a former sorcerer from Equestria or accidentally prove the existence of ghosts.
(Note: dogs and animals are usually the first to sense the presence if not actually see ghosts.)
Y’know, you could use your own artist tag here. I think you may have earned it.
Even the backstory is my attempt at worldbuilding and adding a sense of history to the human world