Curious which organizations are providing this data nad what types of companies are charging the bogus fees?

I looked at them very early on and figured it would mature, but it hasn't as much as I would have thought.To be fair, I am not sure how much you can do with data in data out.

Also there's recent data that's showing there're more realtors outthere than number of home for sale.

I collected MTR comps and ran the numbers, and found that I might get an extra 15%-20% from a MTR, but I'm not sure if the vacancy rate I plugged in was reasonable (I'm in a mid-size city and my properties are close to Universities, hospitals, and other things that attract MTR tenants, so hopefully I'd have low vacancy...but I like to play it safe with my numbers, so I try to allow for a good bit of vacancy)... ...plus, all the comps I collected were just listings this month, and I don't know how much they're affected by seasonality, so my rent data might not be super accurate... ...maybe I'll give it a test run with one unit that's opening up in May, and see how it goes...

We compile data on neighborhood rents and combine that with listing data, then double check rents, the area, and condition.

I'm not that professional but I think a whole house filter would filter particulates like dirt but not chlorine. for chlorine you might need a reverse osmosis system for a specific drinking water tap to eliminate the taste as it's not practical or efficient to put an RO on the whole house supply. if skin issues from bathing are a problem you might need a softener. sometimes when kids have eczema doctors actually prescribe "bleach baths" where a small amount of chlorine bleach is added to the bath water. also many of the water treatment systems can be rented so maybe just rent it while they are there. regardless, proceed with data. water test, pediatrician diagnosis (if it's legal to ask for, no clue), and a system that is right for the application. sounds like the tenant is willing to help out which is awesome.

Average home price in Tyler is is between 350k-390k (depending on where you get your data).

Zillow gave me a rental estimate which is based on 2-beds and rentometer did not include data for 1-beds since it was searching within 1-mile radius.Is it a good thing or a bad thing if there are no 1-bed 1-bath in the vicinity?

Data center investments from Google, Apple, and Switch are also driving the MTR rentals for corporate employees.  

Nevada, with cities like Las Vegas and Reno, offers a tourism-driven economy, ideal for vacation rentals, but be sure to research regulations on short-term rentals.