It is my understanding that the tax assessor of any given area has a multitude of sources for information on the following criteria such as Income levels by geo zoneProperty values by geo zoneRent zonesNumber of rental units per geographic zoneVacancy factorsGrowth trends Expenses per rental by gross revenue EtcMy question ,Where can one access this information?

So it is important for me to track which tenant or property generated more work and what the trends are over timeSo I track every interaction & event.

Looking at the performance of the 10Yr over time you see a downward trend of rates since the 1980's, with peaks and valleys like any market will have.

So yes, local market trends and cashflow are also very important.  

For northern California, you should understand the massive migration trend we have heading out of the Bay Area and into the Central Valley.

@Caleb Heimsoth Yeah I agree there is a major trend right now as people are not just renting our of necessity they are choosing to do so because of the benefits.

Property is in high demand (rent or buy), the trend continues with people moving back to the city, millennials flock to the marketplace more and more each year, and the demand for property doesn't have any end in sight. 

It's apparently more popular in England, but I've heard the term more recently here, too.https://trends.google.com/trends/explore?

I am thinking that I may sit on my cash till later this fall unless I find a smoking deal and then try to find a fix and flip house. does this fit with the market trends down here?

I wish I could have kept up that trend but I didn't have any more money.