The short answer, then, is that if you want to sell your house, you do not have to disclose to potential buyers that you believe your house is haunted.
There's a new law in effect in Minnesota regarding deep fakes and the use of AI. Even if you're just sharing what someone else did, you could be breaking the law.
Have you heard that if you live with someone for 7 years that you are considered married under common law? Is that really a thing in the Land of 10,000 Lakes?