> And are in the most difficult place for maintenance and cleaning, so those things will be neglected. They don't need much service. And it's not like you need

> And are in the most difficult place for maintenance and cleaning, so those things will be neglected. They don't need much service. And it's not like you need a helicopter to get there > And you need to replace the roof? Now what? That's one in 50 years event Like yeah, if you have good amount of space that is otherwise unused go ahead, but realistically someone will want that space for a house or business, not a bunch of glassy squares, those can go on roof.