They typically don’t go above 50% ltv and usually pay cash for the properties.The only people who would do this is private individuals with deep pockets.

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.

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. 

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

Quote from @Jaycee Greene: Are you wanting to own individual MHs?

Both can be a good choice.

Starting in the greater Richmond area is a fantastic choice, as it's known for its mix of historic charm, affordability, and a growing market. 

Good question SteveI made the choice to leave up the posts, if there's something that seems like grave misinformation please do reach out to me and let me know.

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