I appreciate the feelings involved with people going through something like this, but I would never as a landlord say that I could not ask them to leave.

Real estate decisions, especially in a place like Texas, can involve a lot of moving parts.

You want to make sure they're involved early on in the process.Depending on the state you could also be liable for anything that happens to the squatters while on your property.

Be aware there are infrastructure issues that affect Jackson involving the water supply, road issues, etc.

Was a licensed engineer involved to design to repairs?

If the tenant violates the lease in other ways by how the treat the property issue them a notice to correct and if they don't correct the issue you COULD try to evict, BUT I would make sure the issue is VERY VERY clear cut because I have trouble believing a magistrate will allow an eviction for petty things or something that isn't 110% clear to everyone involved. 

The first I'll tell you involves the family homestead in Peterborough NH, a big 1791 colonial farmhouse up on the hill that's been in the family for almost the entire time, though nobody has actually lived there full time in a few decades.

This is more of a tax planning matter, so it would involve working through several specific questions to tailor it to your situation.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

What is the risk involved?