You didn't address your need for help in the eviction case, but it appears you may need an attorney.

Take that year to gain some financial literacy and find out what types of investments you're comfortable with, and find the right people to help you invest it.BUT, if you have piles of debt that you can't keep up with, don't wait a year to address those...

The discrepancy so far (5 addresses) has ranged from very little (under $10k) to as far as $100k in difference.

Can you provide an address where you believe a refi appraisal valued a single ADU addition at the same cost as the hands off addition.  

They want an investor to have some serious skin in the game.The other option would be to wholesale this opportunity to somoene and make a few bucks to save so you have some money for a downpayment in the future.

At this point, we are three years in, and have learned that you sometimes have to have thick skin (grit) in dealing with tenants, managers, and RV site visitors; while maintaining a sense of humor and humility.

There are several great ones in Dallas, but I'll bet these days most want you to have some skin in the game, so no 100% financing and also financing of renovation costs. 

Will they be prepared to address retirements and disposition?

If you don't pay he gets the park back and your asset.That would put me at more ease, knowing that you have skin in the game, and are going to pay me.Gino

How would we go about obtaining the property owners' mailing addresses for the properties we want to reach out to?