Harvey,There are a variety of factors at play, region will play a factor, age of property will play a factor, diminishing returns plays a factor (for instance going from 2nd to 3rd bedroom will be more valuable then 3rd going to 4th) To me the key to to a CMA is get as close of comp as you can when it comes to these factors (square footage, bedrooms, bathrooms, age, size of garage, size of yard) Once you start diverting too far it become a bit more of an art then a science. 

I'd say messaging the seller's on Facebook would only diminish your chances of closing.Hope this helps!

Their check getting garnished can mean yours getting diminished along with them. 

It seems to me like this could be a really risky transaction, that could leave you with a piece of raw land that has severely diminished value.

I have cash ready to go from my own savings but don’t want to completely diminish that as I’ve worked hard to get there.

My gut feeling is that something like this could be great to have in an attraction-dense area for a luxury STR, but it's usefulness would be diminished going outside of that specific use case.

FACT: At no point in 10,000 years of recorded human history, has handout programs elevated a society or diminished dependency. 

Many are not even aware of the power of bonus depreciation, much less know those benefits will begin to diminish starting in 2023. 

Selling, without an identified replacement deal will land you a tax bill which diminishes your wealth creation. 

Multifamily has gotten more competitive in many markets so properties have exchanged hands multiple times diminishing the margins.