Since you are renting out part of your primary residence in Maryland, your main concerns should be liability protection and tax compliance rather than complex asset structures.

Non-passive to achieve this level of return.Add the addition of the ADU makes the main unit rent controlled if over 15 years old.the work to add an ADU likely exceeds the effort of a brrrr that can achieve infinite return  Experienced investors are adding multiple ADUs by leveraging items like bonus density, committing units to affordable housing, etc.  

I’m mainly focused on the ATL/GA region but am open to exploring other cities too.A little about why I'm here: I’m an engineer by day and a real estate enthusiast by night.

The main thing being: giving up a property that appears to have appreciated pretty well is just a touch pill to swallow and I've regretted a few moves I've made when put in a similar situation to yours, and I had less equity in mine.It sounds like you're moving to Raleigh in the near future and want to buy a multifamily to househack.

The main issue is your exit is capped so if your costs go up, your profit goes down.

I will provide more information later.The two main setups are:1- Holding company in Wyoming if I want Charging Order Protections advantages, then a Series LLC in Kansas holding my Kansas RE and another Series LLC in Missouri holding my RE in Missouri.2- Holding company in Wyoming if I want Charging Order Protections advantages, then form as many LLCs as I want inside of it, one per rental or one LLC per 2 o 3 rentals.Fees are pretty reasonable and the same as they disclosed before the appointment, on their website or youtube videos.

The main house is original (this place was built in 1924, very cool) and we rent it for $1,650/month.

The main thing I see when coming across this is deferred maintenance.

The main lesson for us was that there is still a level of due diligence that our team must perform regardless of screening software.

Mainly LMLO's are rare, almost non-existant.