I am an experienced investor and unexpectely find myself managing a duplex myself and wondering if there is a small landlord (aka inexpensive) simple solution for marketing, background checks and lease creation that markets on zillow? 

Obviously the answer is yes when it comes down to the cash flow, but I am particularly wondering if HCOL/high property tax areas are places you would cross off the list entirely.

Quote from @Jeremy Torres: there’s a 4 plex for sale in my area for $386k I’m wondering if that’s a good price?

So, I'm wondering about what other options I have.

House hacks are fairly straightforward regardless if the units are separately metered.

Favorable Legal Framework for Foreign InvestorsGermany offers a straightforward and investor-friendly property market, with laws that protect the rights of both local and international investors.

This is a physical asset, not paper, and it's providing consistent income.Albeit for your not understanding tax laws and depreciation, I'm wondering why there's a question as to what you should keep.You understand capital gains, but I'm pretty sure you're not familiar with depreciation and loan paydown.

I don’t generally buy into those as saving all this money, but I’m wondering if others have an experience or perspective? 

I just can’t imagine how everyday people spend this much money on pipe.I don’t think insurance covers any of the foundation repair, also wonder if insurance will cover any of the sewer line repair work?

If you have a written lease, this should be a straight forward matter to process the eviction.