I think running as a museum was more expensive than he thought and the money would better going toward the restorations he has in and out of house.
I would hate to think how much the running costs are.
Reading between the lines he is thinking of his mortality and how long he may have left, the ‘shop window’ was an interesting comment.
I met Kermit many years ago he is as dedicated as it gets a true gent but I believe no one to leave it to, I may be wrong.