It's incredibly shortsighted to depend on the government to fulfill their side of that bargain.I absolutely believe that student loan debt combined with millennial behavior in general (less desire to settle in one place permanently, more job-hopping, greater focus on experiences rather than material possessions) will impact the housing market.

However, if you choose to go this direction, make sure to select a company who specializes ONLY in parks and is familiar with all the state regulations.

They don't want to lose the free government money2.

Such as: Post #1:  Looking for insights into the current STR regulations climate in Palm SpringsPost#2:  What is it that I should know about investing in Vacation Rentals in Big Bear that I'm not thinking about? 

The current ADU regulations includes a provision for an unpermitted structure being converted to an ADU (SB13).  

Nothing illegal about that.You will have to check to see about all the new regulations about AirBnB here in San Antonio.

I've also used some corporate and government placement companies and those were a nightmare.

That should govern how these items are handled. 

Some neighborhoods you can get up to $5,400 a month for 4 bedroom SFH's in somewhat affordable parts of the city like inland Carlsbad, Mission Valley, and Tierrasanta.Do you think Section 8 is worth the extra effort in terms of government red tape and delayed inspections versus house hacking a SFH and renting out each bedroom instead?

Most new construction in my area don't come with backyard landscaping, just bare dirt and weeds.Also, building new construction in California has so many fees and regulations that it doesn't pencil out