Books have been written on this topic, and you might find a few.  

Due to insurance costs and high property taxes, we were unsuccessful in finding something that cash flows.

Where do I go in here to find one?

Agent Search - Should we find an agent in each city/market we are interested in working with?

I look around online and was not able to find a clear way on how to get the address added as an official United States Postal Service address.

Find out how much the seller needs, if any, to walk away. 

If you cannot find any of these you could go to the recorder's office and get a record of anything against the property. 

I want to pivot careers into the real estate world, but am seeking advice for what type of jobs I should be looking for.

Insurance would cover it, I would pay the deductible, and no assets would be lost.If you are in an area like San Diego where people are more likely to sue, a judge is more likely to find you guilty, and the payout is expected to be higher, you may consider an umbrella insurance policy.

Occassionally, you'll find a deal that has ok cash flow out of the gate, but most barely break even.I've been fortunate in my career to stay on the positive side of my deals, but some got hairy early on.