Perhaps marketing infrastructure is the best way to spend it?

Then, monitor those listings over time and see if they are still listed or if the listings are pulled.  

Just make sure you've got the infrastructure and reserves in place to take on another property!

Richard: Corelogic provides host of services for mortgage servicers, on of which is monitoring of real estate taxes so that the mortgagee doesn't lose its interest by virtue of a tax sale.

When tenants do disconnect them it is surprisingly easy to catch them as many take the entire detector down and never put it back while others remove the battery and unplug the detector.Our insurance company frowns on disabled smoke detectors  - not sure if they would use a disconnected detector to deny/reduce a claim, but I prefer not to test them.We are experimenting with a new detector which we can "see" with our building monitoring system.  

This policy was meant to discourage urban sprawl, and made it cheaper for the City of Toronto to operate, since it could use existing infrastructure (roads, sewers, public transit, etc.) to grow, rather than need to build new infrastructure. 4 – Yearly migration to the GTA There is a greater than 100,000 person net migration to the GTA every single year.

Do they have the same infrastructure as far as REI is concerned, or you just have to adapt and apply the strategies?

You will have to run infrastructure (streets to city specs, sewer, water, lighting, curbs, guttering, etc) if you subdivide it into multiple lots.  

More information here if you're looking to get keywords out of GA.https://www.wordtracker.com/academy/learn-seo/analytics/monitor-with-google-analytics

We've got about 250 that we rent out and though your cash flow is higher, the maintenance and turnover expenses can get out of whack unless you monitor your team carefully or have a very good property manager.