I also believe many of the people will not have 2nd homes   For example Altadena has slightly high, for coastal CA, RE prices but household income is near the median for CA.  

Negative $700/month doesn't put a dent into our household free cash flow and that allows us to buy properties that appreciate rather than cash flow. 

-Townhome/condominium sales declined 12.0 percent year-over-year.

The story behind Rommel here is that he was in a very abusive household with some bad guys.

San Diego’s average house hold income is about what you stated, but the median is a surprisingly low (considering US news and world report lists it as the most expensive US city) ~$100k.  

If the former, note per Union City Rent Stabilization ordinance (https://ecode360.com/15397000 is a slightly outdated version), "the terms of this chapter apply to individual dwelling units within a building, including condominium or cooperative units in the process of being converted, or having been converted".

This approach mitigates risk while leveraging your resources effectively.Looks like your household could qualify as REPS and really offset your taxes if your portfolio is optimized.

These markets often have strong population and job growth and strong rental demand.But the reality is that even in more affordable markets like Columbus, you'll need about $50k-60k household income just to qualify for a conventional investment property loan (this assumes good credit and reasonable debt).

Keep in mind all these markets are very different than the Cambridge area in terms of tenant base, household income, transit, etc.Happy to connect if you'd like to chat more!

Your tenants who faced with an already tight household budget may decide to rig the issue instead of fixing it properly.