There have been some around the $800k mark that did have multiple units either through multiple houses on a property or a guest house on the property in addition to the main house. 

I've found some construction companies that specialize in ADU (Additional Dwelling Units) conversions/construction in SanFrancisco and San Diego but not as many in LA. 

Personal Circumstances: Consider your comfort level with debt and risk.

Principal balance currently at 314kProperty Details: It's essentially a "2-in-1" property, with the main unit rented out for $1,900/month and an attached ADU bringing in an additional $1,200/month.

Investment Info:Large multi-family (5+ units) commercial investment investment.

She has a ton of units in Des Moines and still lives in the area so may be able to give you some advice on what might work there and what won't.

I’m looking to purchase a 10 acre parcel either in Columbus, Dahlonega, or Helen.I’d like to live on half the land, and develop the other half into five A frame luxury short term rental units. 

@Colin Ford recommend getting experience with your RI duplex before going OOS.You should DIY manage the unit next door, so you LEARN about property management, the goog, the bad and the ugly.Then you'll be so much better prepared to invest OOS!

Ask how many units they manage and how much experience they have.

Nor may appreciate your risk tolerance level.1.