I would assume the purchase contract has a clause that states title is clean and there no encroachments.

It takes more effort and there's more risk involved (therefor more reward), but it just depends on your goals and how you want to get there.As far as focusing on areas with high demand for travel nurses, that's just 1 tenant-type of many in a changing landscape.

In addition, you still need to meet the IRS requirements for material participation in each property or elect to group themBased on what you say it sounds like it would be challenging for you and your wife to meet these requirements unless she gets involved in more real estate activities that qualify for REPS hours. ...

Have them clean up, Paint, and learn. 

Make sure any renovations comply with local regulations and obtain the necessary permits if plumbing changes are involved.

Are they given a JV-co-GP position for fundraising or will they be involved in the management of the property?

He ignored several attempts and only got involved when we sought outside help but has again become unresponsive. 

Then when the tenants moves out, you can assess if there's any damages or cleaning.

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

When I looked at the house they kept it very clean.