The issue is building a single small residential unit is some of the most expensive development.Here is a list of why adding a single ADU in single family zoned areas in my CA market is typically a poor RE investment:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

Property tax and Form 1098 is sent to individual and paid using my LLC account. 

In my opinion, both have their pros and cons and neither is 100% superior to the other.

My father took out a $320K home equity line of credit (HELOC) to invest with my brother and I.

As @Ke Nan Wang said you have to hire an architect to make these decisions for you.On my projects I will compile like 5-10 inspiration photos based on projects I've done in the past, comps, and photos I find online, then I'll present those to the draftsman/architect.

However, my risk is lower as the 2 bed/1 bath apartment I am considering for this setup doesnt have any major appliances nor copper as it is a 1960's build.

My experience has been overwhelmingly positive, but—like any market—it depends on your approach, risk tolerance, and the team you have in place.Detroit is unique.

I’m all about finding value, creating win-win deals, and growing my portfolio one property at a time.

Considering that my parents and I are not Canadian citizens it adds an additional wrinkle to things as they or I are not able to claim this as the primary residence and avoid the capitol gains tax... a lot to consider and think about.

My name is Christian and I am new to real estate investing and BiggerPockets.