I love that you shared your goal with us as well!

Companies know where they will be treated well and where they are not wanted.

If they have been paying well under market rent for a long time they may have a hard time suddenly managing a place at current market rents.

But find them, pay them well, and FOLLOW their advice. 

Well said John.

Assuming that all goes well and the buyer’s good-faith offer is accepted by the seller, the earnest money funds go toward the down payment and closing costs.

I recommend you read some books on how to manage investments well.

They all use the same Real Estate Agent as well and she is a shark. 

However, a few things you could do: You could talk with them & learn more of their story to figure out why their credit score is low as well as the type of people they are.

However, I saw enough that I believe that the information available is so imperfect and subject to interpretation that large losses would be an inevitable part of the program, as well as large gains.