I was tempted to allow it at their cost as long as I could verify and approve the company doing the work.

I've found luck obtaining information/licensing requirements first on the county's website under zoning, and then reaching out to the specific town/city and verifying any further requirements they may have over the county's.

If you want to "rig" something up from outside your windows and all then... again you'll have to verify what your housing owners allow or not (just like a satelite dish).

Is this a neighborhood full of nearly identical properties you can use at comps to determine the value?

I'm a trust but verify guy so 3 times a year we have picture inspection reports done so I know the condition of the unit, cost $75, Will share information if requested.Best,Mike

Verifying last 2 years of rental history very important!

You need decent credit and some skin in the game. (15%-20% down + pay for closing costs)Typically when investors call me i will go over the numbers with them right on the phone and verify the deal fits our box / give pricing, then I'll take the time to do some comparable sale research to verify if your estimated ARV is within reason. 

Conzy you can Trust Dmitriy as a fully vetted verified source for what is legal.. when you make post like this your going to open yourself up to fakes frauds and scammers contacting you so if that happens be very careful send NO Money.. etc.

You should verify whether you can establish this type of LLC in Texas. 

So for the sake of simplicity, let's assume that they're identical, given the small difference.