I should have ran the plumbing for it even if I didn't plan to add it.  

These are professionals with additional training and a stricter code of ethics.

Then it really grows with each additional one. 

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

Additionally, the price point is still cheap enough to find the 1% rule and positive cash flow and there's amazing appreciation potential.

Duplex have different zoning that may permit additional units.

In addition to that, building your network is key.

Additionally, I'm working with the RE Ally Property management team, who was able to find a tenant to rent at slightly above market rates without any vacancy.

Additionally, based on your numbers, it should definitely cash flow. 

Once you have cash in hand, you can unlock the unit for 24 hours and let him move his stuff out.I would also consider charging an additional deposit of $500 or something, just to prevent him from leaving all the trash or stealing your refrigerator.