If you're concerned about it, hire a contractor to spend five minutes looking at it and ensuring they are safe.

You also want to check with your CPA to determine how gifts are handled in CA to ensure no gift tax is due....also you want to make sure adding you to title doesn't trigger some kind of change to your property tax or valuation.

Hello,There was a fire that happened in the unit next to mine and as a result, the fire department broke into my unit to ensure that there was no internal fire happening between our shared walls.

Whenever you are buying a property out of state you should do a few things to ensure it's as smooth as possible.

I have seen many brokerage addendum where the buyer directs their agent to reject the MLS offer of compensation and ensures that the buyers agent would get x%.

Look carefully at the termite estimate and ensure it covers everything, not just replacing the termite damaged wood. 

A big part of my RE investment goal is to ensure my kids never end up in the same situation...

I would recommend looking into some free, online CRMs to help organize your efforts and ensure you're actually following up with leads.

What should I do to ensure I've done all DD??

Regardless, you should still screen them like any other applicant and ensure and verify that they have an income source like any other applicant... because like many have mentioned, what happens on month 13?