The lawyers can address the legal benefits of spouses forming a multi-member LLC.

I’m not a lawyer so I’m not even sure if number 1 is possible or legal.

We live in a litigious society with waay too many lawyers.

Scope of rehab. etc.Just hire a lawyer, licensed in TX, and familiar with the process. 

Naturally I intend to consult with a lawyer and CPA, but I want to have a better understanding of the pros and cons and prospective plan before sitting down for discussion.

For agreement, please look at the template that is available online or consult with a lawyer if you are not comfortable. 

You can take a look at the other ABC thread where one out of country investor recently complained that ABC took not just hers, but 40 other Hong Kong investors' money , was completely nonresponsive and they were banding together to get a lawyer to contact ABC on their behalf.

I would be partitioning about 150 to 200 sq feet of the living room for my office, to do admin work, do the lawyer thing and draft documents and to store paperwork.

An option you may have not considered is to start working under a local property management company, gaining even more tools and knowledge and learning how an official company does things, what forms they use, what processes, how they handle evictions, what lawyers and contractors they partner with, etc...

I have personally called the police twice on him, but it doesn't seem to be doing anything and my landlord's response is "My lawyer and I can't do anything about him", even after sending videos of him going absolutely insane.