@Jamee West hey Jamee! I am in a similar situation as you. My wife and I own our primary residence but are looking to find a duplex to buy with an FHA loan and house hack it. These properties are sparse in my area as well, but here are two ideas that I plan on using to help find our place:
1. Look at all of the places listed for rent in your area. You are bound to find one that is a 2-4 unit. Then write the owner, letting them know you are interested in buying the property. You might get a lot of no’s, but you also might come across that disgruntled landlord who has been looking for their chance to sell.
2. Drive around your neighborhood/city looking for a property that intrigues you, maybe one that looks a little worn out. Contact the owner of that property letting them know that you are interested in purchasing the property.
It's not as easy as keeping your eye on the MLS, but it can help you get to a deal before anyone else!