We are literally the only 1 bedroom [kind of a 2 bedroom] house ON the lake.

That girl Zeona also has a blog with this kind of info you’re looking for, it might help you and I think it’s free.

We as a community tend to let things go because it "isn't worth the hassle" but this attitude is often responsible for the continuation of this kind of behavior and you would be providing a valuable community service. 

@Joshua Goston its kind of hard to answer your question without knowing what kind of deal you're looking to put together, as structure differs depending on the deal.

See what kind of person they put in your house... or even try and use it as a negotiating tool to see if they will lower their vig.

And the second family, although they also have low credit scores, the score is based on the fact they don't use credit they do have some collections but the debit amounts are very low.What kind of CMA work do I need to do before I deny the first family? 

I'm pretty sure every major city and MSA has at least one attorney who does that kind of work exclusively.

Or experience getting something rezoned or some kind of exclusion or exception to the zoning?

I'm not sure if I want to pursue a FHA 203k loan or some other kind of mortgage loan.

All this depends on what kind of rent property of course.