Am I in a rush or somehow motivated due to it's inferior status and concern around liability?  

Even if you don’t add her as a member, she owns half of your LLC under TX’s community property rules (assuming no pre- or post-marital agreement). 

If the home is a standard sale in foreclosure it's the same as any other transaction except you may be on a tight time frame to perform due to foreclosure proceedings.If it's a short sale it's a different beast, but sounds like this transaction isn't.Important points would be if you are trying to do subject-to, dealing with elderly, etc in a foreclosure, then sensitivity would be amplified due to their foreclosure status. ( need to be extra careful with disclosures, etc, when dealing with people who could say you took advantage of them. )

Having the full time RE professional status is awesome! 

If you limit your SFH to guess is that it is not allowable because you would have to inquire about marital status between a couple moving in together and you certainly cannot discreminate on that. 

.- Scrape social media for people having marital problems or loss in the family. 

In addition to a clean house being crucial, our housekeeper was probably the most important member of our team, as we were managing the property from a distance and she served as our eyes on the ground and gave us a status update after each cleaning.

Would you purchase the property valuing it with the additional income or value it by its legal status? 

They all challenged the status quo and do the opposite of what "people" attempt to tell them.

There are bound to be changes with at least one of the roommates in terms or relationships, job status or even buying a home by at least of the 4 roommates in that time period.