What will the B/C Property tenants do, love where they are and fight like heck to not go to class D.  

I loved the part about us using "strong arm tactics" and her "fighting so hard to keep the house".Pretty amazing.

Also  perc testing to make sure the ground is capable of handling and filtering the water being introduced. 

Build more third party Api to automate the due diligence process much as possible.Value of marketplace should lie in the capability to fight fraud to keep transparency and fairness.

The largest producer has filed for bankruptcy, and next biggest is fighting to avoid it. 

Your buyers list really isn't important because if you have a REAL deal there will be people fighting for it.not trying to discourage you at all, just saying don't get your hopes up if you don't get a deal in the first month, because it may happen, but it also is a high chance that it wont.

The amount seems reasonable, but make sure your new rental is capable of paying not only its own mortgage but the added payments you may need to make on your home equity loan as well. 

d) dont have to fight the banks alone!"

B/C residents will fight like heck to stay out of D class properties that harbor poor schools, unsafe neighborhoods, etc.Re: cap rates, the strategy of this partner is to get in, create a ton of value thru re-positioning older properties in B/C, renovating, improved PM and then re-financing at the 2-3yr mark.  

How long are you willing/capable to wait?