Any conventional loan products for property in a flood zone (not sure what flood zone 9 is) requires flood insurance, which can be very expensive, and rates have been rising each year. 

I always stayed away from Section 8 at that time and did Zero down purchase doing 80/20 loans and/or interest free loans as well. 

Thank you for any help in advance.

you'd use the DSCR loan to pay off the hard money loan.

Thanks for your input in advance!

I know these are very rudimentary questions.... so thanks in advance!!

Acquire the land through a seller-financed deal for the deed to the land and use it for collateral to cover the 20% down payment needed for the construction loan. 

I will note that some of the information on here will be different for you especially when it comes to loan products and requirements so that is something to keep in mind. 

Listed Rent would be between 3500-4200 per month depending on a local property management company strategy.We have assessed our budget and goals while in Europe and would not want to maintain a mortgage in USA (vacant) AND a rental payment in EU.further details: we are 3 years into the loan at 2.625% int, primary and only residence owned, house will need 2 new AC in next 2 years, water heater, and driveway repairs, would only rent with a property management company as we will NOT want to manage from abroad. 

I am a Loan Officer in San Bernardino County, and the real estate agents I work with are always coming across solid deals here and there.