There are strong indications that a neighboring property is in preforeclosure.

Past performance is not always an indicator of future performance, but the way the sponsor handles issues is usually a good indication of how they personally perform.  

Last but not least, if you're words are any indicator of the drive you have, I'm in the Seattle area and would be happy to help you find a road map, and share my mistakes and wins with you.  

She reached out to us this week indicating that she is ready to entertain cash offers.  

They will not indicate strengths, weaknesses, or anything from reviews or personal files. 

The water usage was different every day indicating that it was not a water leak and abruptly went to zero on 9/20.

DSTs like @Matt K. indicated are one such product that is passive cash producing and 1031 compliant. 

Last year, the economic indicators pegged SFH appreciation in the area at 8%.  

The fact they are complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.I hope this basic guide helps.

Moving the property into an LLC soon after, also indicates to me he likely did not move in, as hed lose both the benefits of being an owner occupant, and the LLC would be easily piercable if he were living in the property.