No matter what socio-economic level, I think people can make the best decisions for themselves. 

Of course new construction would be expected to be at code.So this is what I would do:Learn the 6 CA ADU regulations to some extent: AB68 (this one may be most important because I assume your addition is attached), AB881, SB13, AB587, AB670, AB671.After learning the 6 ADU regulations at a high level, I would determine if the JADU/ADU option is the best option for you. 

Everyone's skill level is different, but I can tell you that short sales in top 1 or 2 in my book because it works big time if you know what I mean.

@Jason Vo If I were to buy in those areas near bodies of water or levee districts, I would not hold on to them for too long. 

The lower level is basically the basement level, but since house is on a steep slope, the living area walks out into a really nice back yard, with big windows and lots of sun on 2 sides -- so that part of it does not feel like a basement.

I haven't yet figured out how to raise my income level. I

The crime level is moderate in this area, and I worry I won't be able to rent it out to the quality tenants I would like; it also looks too nice to rent out to college students.

You get to see which house is built and what type of houses are there and the type of people (and quality of renters)2. get my math skill up, at least up to a proficient math 8 level.  I

Thank you in advance, I am really enjoying my real estate journey as it stands, but would love to take it to the next level. I

What's much more likely at this level is 'Wait, what?