A finished page would separate what is sourced from what is a model: insurance, maintenance after a storm, energy, and how long the shell lasts. Those lines are not written, and no pro forma is attached.
Portfolio advisory would use the Concept+ tier, with site visits quoted per job. Builder matching, when a registry exists, follows the same disclosure as a single house.
A hardened accessory dwelling is one way a rental lot keeps a usable building after a storm or a fire. See ADU.