Next would be what kind of calculations to determine the return on that money.

You will have to do research to determine if this is the case for you locally.

What I am trying to determine here is a "rule" of my own to use when evaluating potential leads and if this is feasible. 

Thanks,Alec Subject To is generally taken to mean that you are simply taking over their loan.

@Kelly CarterHow are you determining rents. 

How do I determine the value of the land?

My question is how do I determine the value of the properties?

It's simply a way to frustrate people who like to slip and fall on a property and sue the owner as quickly as possible.

With that said, the original intent of the post was to determine if anything shady was going on.

I will be doing the following for them: Digital Marketing: setting up and deploying automated email campaigns, helping them with the design and layout of their direct mail pieces, helping to pull lists from a database (Rebo Gateway), marketing strategy to determine who to target, frequency, etc., recommended and maintaining software, systems, and lead databases.