He is unlikely to fight back in court when everyone in the house is against him.When he is served notice, ensure everyone is in the home to witness it and present a unified front.

Additionally, my husband lived there for six years, and the city feels like a second home to me.

Additionally, properties with high monthly costs struggle to compete with fee-simple homes, affecting resale value.

Vacancy hurts a bit more, but the biggest issue with renting out large homes is turnover cost.

It's a roof over your head, to use for a certain time, for a certain reason.

Our home prices soared over the past 5 years and rents have only gone up incrementally creating an imbalance.

I'm a Project Manager at an Architectural Firm specializing in Custom High-End Homes. 

Home is potentially upside down on mortgage (verifying that) and current owner wants too much for the house.

As described in the investor reports, significant amounts are being spent on renovations/improvements and acquiring additional mobile homes, which over time will increase the portfolio value significantly.  

That seems like an expensive roof - does it need to be completely torn up and rebuilt to hurricane standards?