I do about $55k on a $320k cabin and I’m super happy with that.I also think if you bought land and built the right kind of home (container, treehouse, etc) you might be able to achieve this. 

The information contained in this post is not to be relied upon.

The information contained in this post is not to be relied upon.

The information contained in this post is not to be relied upon.

The Check-In packages often contain vital information such as access code information (i.e. new key codes for each guest), URLs, contact numbers, internet access, local amenities, key-cards to facilities (gym and/or pool), local attractions (shopping, restaurants and entertainment), and instructions.

As someone with slightly below-average skills, I would have a hard time achieving good enough quality ceramic tile work. 

why not buying large rural land in livermore and put those container homes ?

I realize this thought is probably folly but I I’m having a hard time containing this fire. 

Below are a few links that contain literature from the city to help with your questions:The Development Process as given by the City of San Diego:  https://www.sandiego.gov/development-services/devp...I haven't heard of a residential based zone of R-4; is there more to the zone description than that?  

Work consisted of removing everything down to the studs and installing a ceramic tile shower stall with glass enclosure, new toilet, vanity, flooring, electrical, plumbing. etc.