Carolyn As long as you are not in a war zone, you will be fine. 

I am a little perplexed and feel a little red flag about her having all this information very well organized and immediately available, which seemed weird to me.

I don't feel right demanding they pay when I contributed to them missing a second month by not raising the red flag by noticing I hadn't received that month's rent.

on top of this, what we found is finding high density allowances of at least 150 dwelling units per acre and taking advantage of up zone incentives through hotel development, affordable housing development, etc. we try to develop the lowest cost per door possible and another way to do that is through micro housing development. raw land we also look for underpriced land that we can raise through entitlements the value. those are just a few of the tools we use in addition to parking reductions and other incentives for tax abatements.

Depending on Area do STR(short term rental) Check you local, city and state zoning and regulations. 

That's probably your best bet, but it'll take a fair amount of digging to find a worthy one in a zone that allows it.

Get out of your comfort zone.

What are the red flags? 

Zoned to "sought after" Katy ISD and Seven Lakes High school (one of the top in the state & country, so I am told) in Cinco Ranch. 

Definitely check with your zoning office first.