what you're proposing, while possible, is incredibly difficult and highly risky, and i don't know how you would do it completely remotely with no plans to visit or set up a team.i think i've said this in other posts, but there is tremendous demand for inventory right now among both retail buyers and investors. 

It is incredible to not have to take the phone call and have tenants receive a response.

Wow, your background and vision are incredible.

Tools like BiggerPockets Calculators and rent estimation tools are incredibly helpful.

They say they are not liable for inaccuracies but the number of bedrooms, bathrooms, and unit amount seems incredibly major.

I am looking forward to learning from and contributing into this incredible network.Best regards!

Quote from @Matt Weddon: Really what generated this question was a section from Brandon and Heather Turner's Management Book, which has been incredibly informative and helpful.

I wouldn't go into it with any preconceived notions of what the owner's intentions, situation or motivation may be.

Ask questions and get good at determining motivation and inspecting homes. 

He isn't a motivated seller.If it will rent for $1900  a month, that means to make money you have to have a payment that includes, principal, interest, prop taxes, insurance, at less than $1400 a month. $190,000 at 3% interest is P&I $801 + prop tax plus insurance a month.