At first glance, the landmark status seems to offer powerful financial incentives for a project like this. 

If you can put mobile homes on your land, then you'll have to start figuring in costs to acquire the homes, pay for the move, and hook ups (i.e. water, electrical, gas, etc). 

Most that I have considered already have road, sewer and electric ready and the lot has been cleared.

Hi William, More power to you. 

What a powerful moment, one you can recall in the future to keep you going when it gets tough! 

Usually it's a choice between househacking here or living here and investing out-of-state.I'm a big proponent of househacking in California because we experience really powerful appreciation here.

I have a roommate I found to live with me that pays me $700 a month and splits electricity/utilities with me. 

Gut demolish the walls and floors and plumbing and electric, but keep the foundation untouched?

Aren't they banning gas-powered cars too now?

Your loans will limit your borrowing power.