The Base Flood Elevation is 7.6 Feet.

Were your engineers able to enter the property and take actual elevations?

Successful people want to surround themselves with successful people to elevate themselves.  

Adding in vacancy of 5%, Property Maintenance of 8% and elevating Maintenance to 10%, it brings the NOI down to 20,784300K PriceNOI -20,784Cash Flow -6,984Cap Rate -6.9%COC Return -11.6%275K PriceNOI -20,784Cash Flow -8,184Cap Rate -7.5%COC Return -14.9%

She asked the salesman, on the elevator, on her way out, "Would you treat your Mother like this?"

If you know for certain the property, or at least the physical house, would not see water during a 100 year storm, you could have a survey done as part of the inspection to confirm the elevations throughout the property.  

Also if they have elevated land you can set it up so that you've got a storage tank that supplies the house through the use of gravity (no worries about that power being out!

They are too small and unknown to be on the radar screen of large institutional investors such as pension funds, sovereign wealth funds and the like, who often prefer “presence” in certain markets, regardless of the risk, simply to elevate their profiles.

I am not sure about the laws in your area, but you may also be required to install an elevator which would also add to the normal costs.

If it was built before 1974 you can get away with not having a elevation certificate but again you could be paying a high price.