I think David Greene wrote a book on it.. 

Greene, he speaks of offering the owner a little extra above the outstanding loan amount.Any and all insight is very helpful.

Very green here

There is also the business question about being able to charge more rent for a green home (if the decision is made to market that aspect of the property).

I think that it this onehttps://www.biggerpockets.com/renewsblog/biggerpockets-money-podcast-12-overnight-success-10-short-years-david-greene/

Very tranquil peaceful location near the major state route and near us.

You guys will hear about this deal more when I tell Brandon and David all about it in the "deal deep dive" 5 years from now ;)Just wanted to consolidate your response so you'll see that you did not just open "a savings account of sorts" because you are stating specifically that you purchased in a flood zone that the city has designated for reversion back to green space. 

Amazing community near parks, open green space, beautiful tree-lined boulevards, local shops and more!!

I visit SA frequently and could help if you let me know what you are using for critera and such for green vs yellow etc.

I read Dave Greens book about long distance investing so I am investing long distance and the only eyes I have are the words and pictures from my trusted inspector. ;-)Thanks,Chris