Due to my job (Network Engineer contractor) and both me and my partner being a veteran we have many options and/or variables that help us.

It use to be a long as it was built after June 1976, on a concrete slab/permanent foundation, hurricane tie downs, concrete pilars, and skirting, never moved from original location, and must be a double wide. they would fund.But now a days lenders want nothing older than 20 years old and all of the above plus a engineers certification to pass. 

They also have great referrals for cost segregation engineers and asset protection attorneys.

I am financially independent from my job as an Electrical Engineer due to buying tax liens.

For a high-end house like yours, I think you'd want the wood-tile option...OR better yet - Engineered Wood.

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An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provide support for the property tax appeals process.

Things have changed and even a good engineering-based cost segregation study (the IRS' preferred methodology) is much more reasonable.

Maybe get an engineering firm to help you.

Along with having my RE License I also teach high school kids about Architecture, Engineering Design and Photoshop/Illustrator and how to create digital media.