Also the customary caveat, I'm not an expert or adviser of any kind so use at your own risk (and peril).

I really appreciate this kind of feedback and am likely to cut a deal with them to get it rented.

As far as 1031 buyers they're kind of everywhere also. 

Cost segregation is a commonly used strategic tax planning tool that allows companies and individuals who have constructed, purchased, expanded or remodeled any kind of real estate to increase cash flow by accelerating depreciation deductions and deferring federal and state income taxes.When a property is purchased, not only does it include a building structure, but it also includes all of its interior and exterior components.

The revenue difference between like-kind homes that have the design and those that don't is stark.Like others said, counter with a flat fee.

They use comps and they are going to look at what the town has the property listed as.For income it depends on what kind of loan you get.

You can also leave the rate the same and introduce some kind of option premium that will make up for the payments. 

Thank you all kindly!

It's kind of a dicey situation.

Thank you kindly!