Hey Ximei,I totally understand wanting to maximize the impact of your initial investment, and if you're open to taking on a bit more complexity, the BRRRR route can be a game changer.

If you own majority and are able to control hoa which comes with its own headache and not totally passive that can help .  

For instance, if the neighboring unit has a shut-in chain-smoker, or the house has railroad tracks behind it, it is definitely better to let a lead know and lose them than to not disclose, upset them and lose them (after they leave a nasty review).I'd agree with Jonathan that even late complaints need to be taken seriously, and barring some obvious malfeasance, I would just take the word of the resident and fix the issue.

Inherited tenants are usually a negative, however in that area leaving the duplex totally vacant makes it a target for thieves to come in and steal your pipes, furnace, and hot water tanks.

You want to know the total demand and the existing competition.  

These are what his numbers are: Value $369,000, Gross Rent $72,749, Total expenses $49,682 Net $23,067.

Unit 3: $800 + utilities Total: $2,825Expenses:PITI: $980General Maintenance: $50/monthMaintenance Reserve: $143/month Other Fees (admin stuff like LLC, registration fees, etc): $70/monthTotal:  $1,243.Monthly Cash Flow: $1,582Cap Rate: 13.5%Cash on Cash Return: 45%I appreciate any feedback or advice on this deal as I am just starting. 

I obviously have very little experience or knowledge in real estate investments but hopefully can make some good decisions for me and my family.

As someone who has only done out of state investing because the Seattle market didn't work with my goals I would say it is totally achievable and likely in less time than you are imagining.

In three months, you will have business, but too many people hire ghostwriters on LinkedIn and it's SO obvious it's not them.