The strategy here is a BRRR 2.0 in the sense that we will not be keeping the duplex but selling for profit as mentioned earlier in the thread to start building more capital for long term holds in the future. 

I’ve already made some calculated evaluations in terms of the expected operating expenses, the mortgage, closing costs, and a 20% down payment. 

Welcome @Sartaj Ghai,Sounds like you are off to a good start and have the right long term mentality to go far with this!

I do flips to multi-unit holds - picking up a nice creative finance deal in Wasilla shortly that I'll STR and a multi-unit in Chugiak.

Any other local industries with short term employment?

Home Paid in Full and will become a long-term rental.

Would it be wise to install a RING doorbell to monitor who goes in and out of the unit since I would be renting out by room?

Life is too short to worry about things like this.

However, he starts to talk about how you may sometimes overpay for a property because you are not necessarily worried about what the property is worth today but about the “long-term play.”

I think the bigger question for you now is whether the time feels right for getting started on your first BRRRR.If you were ready to get started, but were short of your all-cash goal of $80k, there are loan programs that can finance lower purchase prices in the Detroit area.