Cottage by the Observatory
The blind men at the Observatory rent these out, to people who don't mind occasionally being assaulted by predatory fungus in the middle of the night.
This address allows you to keep 3 Opportunity cards in your hand.
To Buy Access: Penstock's Land Agency
Cost: 400 x Jade Fragment
Associated Opportunity Card: The Sleepless Tower: Disturbances at a Cottage by the Observatory