Since you're an individual, mainly whether or not the 4plex was built in the last 15 years.Assuming the tenants have occupied their units for over a year you'll want to give a 60 day notice.Alternative route?

I would not invest in real estate with a retirement account.Its too much of a headache and likely not that much better as an investment alternative within a retirement account1) Real Estate provides tax benefits for individuals who own them.

You may already know this (you should know this), the JADU requires owner occupancy on the property to be rented as an individual unit.  

In order to avoid wasting time on a bunch of individual showings with unqualified applicants, perhaps consider doing what I do and host “open house” style showing windows. 

AntiochWhy It's Hot: Historically considered a more affordable suburb, Antioch is evolving as more people move to Nashville and look for space and affordability.Key ROI Factors:High rental demand makes it ideal for flippers who want the option to hold properties.Rapid development of retail and infrastructure is boosting home values.Pro Tip: Invest in homes near the new developments around Century Farms or along Murfreesboro Pike for maximum appreciation potential.Bonus Tips for SuccessRun the Numbers: Stick to your investment formula, but be flexible.

I will create 6 residential lots that I will be able to sell off and then, ideally, own the remaining property free and clear or close to.

Would love to network and build relationships with like minded individuals. 

If you’re after steady cash flow, buy-and-hold rentals might be ideal.

Ideally you have a contract in place that spells out what happens if you split up or one of you dies?

You will need an LLC resolution (indicates that individual members can sign on behalf of the LLC.)