First, you can't terminate the lease until the natural expiration date or until all parties agree.Other than that, I would just write a simple letter explaining your intent.

When catastrophe hits, they naturally can't keep up.

If I need to do a double close and pay the fees I will, I would just prefer to milk this thing as much as possible, naturally. 

@Jennifer Marshall, There are large slabs of both natural and synthetic stone in high end tile shops.

I do NOT recommend you get the seller to fix any issues unless they are very easy and essentially cosmetic in nature.

It was (and still is) nature photography as I would take my camera hiking with me and on vacations.

If you are a micro manager by nature I don't recommend it as you'll need to hand the reigns over to other people. 

Way to hard to clean food and dust off of. example:https://www.homedepot.com/p/MSI-Alaska-Gray-Splitface-12-in-x-12-in-x-10mm-Marble-Mesh-Mounted-Mosaic-Tile-ALGRY-SFIL10MM/206741880Too busyhttps://www.homedepot.com/p/MSI-Magica-12-in-x-12-in-x-6mm-Glass-and-Stone-Mesh-Mounted-Mosaic-Tile-SGLS-MAG6MM/206741857Very uniform and neutral, adds design fare.https://www.homedepot.com/p/MSI-Honeycomb-Hexagon-12-in-x-12-in-x-10mm-Natural-Marble-Mesh-Mounted-Mosaic-Floor-and-Wall-Tile-HONCOM-2HEX/205307895

You can absolutely invest in such a way that you are not overleveraged, are not even mildly concerned about "the correction" and find sage advice on how to do so as well. 

Hope you know I wasn't speaking poorly of townhome occupants - just highlighting the very odd nature of the DC market vs. the other more traditional markets we've lived in.