the community property issue is really moot for 1031 as community property is a state legislated designation and 1031 does not speak to that. 

You can see a Texas Tribune article about the recent ruling.A bill to block cities from heavily regulating short-term rentals made it through the Texas Senate during the last legislative session, but it died in committee in the Texas House. 

That legislation is an absolute nightmare

Are you ever afraid of legislation against AirBnB?

I don't see where you're located (every State has different legislation) but in my market, all three of the criteria you mentioned would be unlawful reasons to decline an application.

To be honest - I can't think of many others in this instance.The reason it is that way is because the legislation is meant to eradicate discrimination in society. 

I assume it's because there is legislation in the works and there will eventually be such a threshold on the books.

The “SJR 60” went into effect January 1, 2018 and while we could spend all day on the language there were 3 really important changes to Texas Home Equity Laws because of this legislation passing.

Have you got a pulse on what is going on regarding the current attempt to repeal Costa Hawkins which if successful would open up the door for Sacramento to legislate rent controls.

There have been quite a few mortgage related frauds that have caused the legislation to get involved... and for good reason.