As such, a LLC is not required when using a Solo 401(k).As @Mark Davidson indicates, there are strong protections between you and the 401(k) in both directions, but that is not what you are asking.If the Solo 401(k) will have a variety of holdings and you want to create risk segregation internally within the plan, it is possible to use vehicles such as LLCs to do that.  

The interiors are updated, but the structures are older.

https://therealdeal.com/miami/2020/07/16/javier-cervera-jr-buys-apartment-complex-near-miami-international-airport/ How did you find this deal and how did you negotiate it?

That is essentially all forms of friable asbestos that is encountered on the interior walls, and ceilings.

Some of the interior is a bit outdated (namely bathrooms) but they do function fine, so I'm not sure if it's necessary to rehab this.

I do a lot of the interior finish work myself. 

I am 30 years old, married with 2 children, 1 on the way, and work for an international bank full-time as a business analyst.

Did you begin rehabbing the exterior and finished the interior once the leases were up?

Income- I work as a paramedic overseas for international companies.

The Boring REALTOR" will catch their attention, they'll see it's your actual name, they'll internally chuckle, and then they'll remember you longer than the other 600 agents with cliche crap like "Your REALTOR for Life" or "Your (City Name) real estate expert!"