I’m based in California but have been investing in Detroit since 2019 and have built a portfolio there.

You have built a great foundation to work from.

You can find question mark icons next to every calculation inside our software - hover over those icons to see the exact formulas used for that specific metric.There is also a built-in glossary page in our app that lists the calculation formulas and explanations of all real estate metrics we calculate.We don't use "magic" formulas or publish "unsupported" claims.

I've got a duplex built in 1888, and have a couple of cold rooms, upon inspecting the basement, there is no insulation under the floor of these rooms.

My wife's siblings have built 2 house on this land as there own houses they are living in The property is a total of 15 acre and each siblings got a portion of the property.

or depending on budget, are you looking for more of town home?

Find one in your  town certified since 2007 http://proadvisor.intuit.com/search/index-standalo...  

Again, expect higher prices than your initial targets.Smaller Cities: Don't completely overlook smaller cities or towns with strong local economies (e.g., a strong university or a growing industry).

Good HML's in ground up or rehab will provide a very easy/handy way to request and distribute draws using something like Built, which we use and it gives our borrowers and our team a single source of truth for all things draw-related. 

The 3 and 4 BR units on the other side of town were not experiencing this.