Taxes, costs, eviction complexity, etc are going to be a much bigger factor in your success than anything else.

Now I’m sure BP has all the data and statistics to so h the know better than me what people like and want to hear.

The property owner can give those to the appraiser also so he can put it in his data.

That just adds a level of complexity to everything.I think there is so much opportunity in the US, that why would you try to complicate everything x10, but investing in someplace like Spain. 

Deals like this do exist out there.In a previous post, I put a graphic of my returns, and you accused me of using data for single family returns.

You should estimate th property value using recent sales data.

That information was data from big brokerages.2.

Other strategies include gifting portions of the property to reduce the taxable estate or exploring more complex options like a Qualified Opportunity Fund or a Charitable Remainder Trust to defer or minimize taxes.

In my experience, a suit for specific enforcement of a real estate purchase contract is not particularly complex or fact intensive that would lead to extensive time needed for discovery. 

On the other hand, I am aware of a few students who thought they would start out small and work their way up, but realized that their first deal could very well be a 60+ unit apartment complex.