See if I can take some queues from AIRBNB, ST/MT/LT rental markets.As we get close to 90% at all locations, we turn off Advertising, since our local Vortex feeds enough renters to us.Start small and Make Your Big Mistakes Early.As usual, Henry’s post are precise, accurate, and chock full of great information.!

Make sure your underwriting process is solid—accurate repair estimates, realistic ARVs, and understanding local rental demand are key.

Haven’t had any prospective tenants complain about the service and most importantly the information that’s returned to me all appears to be accurate. 

The most accurate or cleanest method is one bank account per LLC, but that is tough if you are solo with 20 properties and do not have a full back office function for each.

Nobody can accurately assist without better understanding the location and the type of construction that's proposed.

I don't know how accurate this estimate is, but for let's assume that is the cost to fix the house back up. 

The alerts to you, the status updates back to tenants, or lining up vendors so the updates are accurate? 

Is there a reliable app or software that you can just enter the subject address and it takes all the guess work out and produces accurate comps? 

@Lane McDonald if your numbers are accurate, then pull the trigger.Also like the suggestion by @Aaron Zimmerman of buying another property to house-hack.Unless you don't like roommates?

I am not saying that something isn't up but it will be next to impossible for you to accurately determine if there actually was a change or if things in your area are just on the downswing.