The web marketing organization Nextdoor has been of interest from its start as an enterprise with a great deal of venture capital looking for a way to make real money and not just spend venture capital. After several years, we are now told that it has settled on real estate advertising as its money-making salvation! (Among profiles created on Nextdoor, real estate offices were first, followed by pet sitters, we are told. Go figure.) Details from a Nextdoor tweet and a CNBC report follow.