nostr:npub1jm40a4vk6mf3ugh7cyc6rmcrld33wuqds03xu4agn0fje8l6ydmqfz83x3 They’re cheap because of the extensive list of obligations, restrictions and regulations governing just about every aspect of what you can do with them. You’re also required to hire extremely expensive artisans to repair any aspect of them, generally, because neither you nor any other builder has the skills necessary to conduct even moderate repair with specific mortar, stone cutting, so on.
They’re also quite damp and drafty.