What has 197 Kitchens, 428 Bathrooms, and 512 Bedrooms? And Here’s Another Hint … Only 1 Roof! No doubt, your best guess was the correct guess: it’s multi-family housing. When you list and sell a single unit in a multi-family housing building, it’s very similar to most every single family home that you’ve sold. What would it be like for you to write a contract for all 197 units in a single transaction? The obvious answer is that your commission check would be at least 197 times larger than the check for selling a single unit. Getting a commercial real estate transaction closed is a very different beast from a single family residential transaction. And commercial buyers are very different from homebuyers!