And this low demand could be a couple of factors, either a rural location with low population density or the area incomes are not high enough in order to prevent a rent burdened scenario. 

Quote from @John Underwood: LOLI'm certain they will add restrictions to prevent people from doing this.

Now you have seismic resilient with fire preventative. 

The more rehabs you do the better understanding you will have of the market for contacting work and materials.Doing a rehab every so often prevents you from being sharp with your budget.For those with limited exposure, ask others in the industry and always run your numbers based on being overbudget and overtime. 

But, they do get to eat a lot of pizza.Debt prevents you from becoming an investor. 

Meet other investors in your area and stay in touch with them; you can ask them questions that might prevent problems.Best to you!

The rules are designed to prevent related parties from engaging in exchanges that shift high basis property for low basis property, followed by a sale of the low basis property, effectively "cashing out" without recognizing gain.If you sell a property to a related party as part of a 1031 exchange, both you and the related party must hold the exchanged properties for at least two years following the exchange.

Explain your situation and see if there are payment plans or hardship programs available.The BiggerPockets forums have threads on tax liens and foreclosure prevention: https://www.biggerpockets.com/forums/41/topics/766025-surplus-funds-unpaid-taxes-in-foreclosure-saleAn experienced real estate attorney can advise you on your legal rights and explore potential solutions.Have you spoken with your local tax authority yet?

If you hire a PM, your financial account structure can be simpler.If you plan to continue purchasing rentals, I like some key accounts at the "management" level (income, opex, tax, owncp, reserve) and only have 1 checking account per property to prevent having 100 accounts and unnecessary complexity.

Newer construction code requires better earthquake-proofing, but it's still aimed at preventing a building collapse rather than holding the value of the structure.About 15 years ago there was all the talk about "100 year homes" but I haven't seen much come of that.