I had no idea how bad the recession would be, but I did have historical market cycle data for our area.  

Given I'm serving an exceptionally high-demand portion of the population, my historical vacancy is ~2% (typically there are 4-5 bedrooms per house, and usually 1 goes vacant for <1 month per year--so my vacancy rate is between 1/60 and 1/48 or 1.7-2.1%), but even assuming 6% (which is even higher than the Portland metro), that's another $300 / month.Total Opex: $850NOI and CashflowNOI: $4,980 - $850 = $4,130Cashflow: $4,130 - $3,023 = $1,107RatiosCap rate (return on assets): 9.3%Cash on cash (return on equity): 22.0%Learnings and TakeawaysI'd give myself a B- on execution on this deal.

Or as others pointed out historical stock returns.

Westside is probably the hottest market so I did a quick pull YOY pricing, list to sale price, days on market, List Price of All Listed Properties, and sold price of Solds for 30310, 30311 and 30314 from GaMLS that includes Westview, WestEnd, ashview, etc. as you can see all have increased price points year over year using Jan 1-Nov 1. which confirms what you said. 39 days on market is fantastic, especially when historically it’s been 90 days. markets seems to be leveling off to a normal market.

I'm researching the Historic NorthEast (64123/64124) and Midtown areas (64109/64110) currently and was curious if there are specific locations in those areas to avoid, or other recommended areas.

Entitled 'Age of Easy Money' LINK TO VIDEOIn short since 2008 (when the previous/current system FAILED) we've had historically free money and arguably too much of it.

The publication argues, based on recently released appraisal data-sets, that current day appraisal processes bake the results of historic racist redlining into current home values.

All these efforts aim to revitalize the authentic and historic downtown into a vibrant, walkable 18-hour downtown.Downtown Ontario Retail Pop-up Program application submissions are due December 9, 2022.

I would pull historic similar duplex sales, even if they are old and see how the market has shifted since then. 

Anytime you have hyper price appreciation, there is a risk of not appraising at the current market value doe the the fact that appraisals use historic comps which may not keep up with current prices.