This is likely something you can do on your own in 30 minutes. 

These can be found online by search 'Section 8 Fair Market Rent for 2024'.

And where can I find these investors?

The good agents, PM's and lenders can pinpoint the risks and often do both in these forums and in their daily business but they are the minority (if you happen to have them in your rolodex,  hold on to those relationships, they will prove invaluable over time). 

I am extremely interested in learning everything that I can about real estate.

tty LO, the deal can take forever and possibly fall apart.I live in South Jersey, outside of Philly. 

Some neighborhoods might offer better returns or be more stable than others, so local insights can be super helpful.

The only thing I can think of is that bookings (these were STR projects) haven't been as strong as the group anticipated.

If your tenant does not agree with the terms to continue on at the property he can leave.  

What you are asking is how can I get around not doing correct due diligence on the property and the answer is you can't and should not because that isn't fair to the rest of the development who bought there understanding the rules.