Welcome to the BP forums, @Drew Markert! Although I'm not familiar with your market, your plan is a good one - I wish I had done it myself decades ago.
In addition to all the great information on BP and recommendations made earlier, my advice is to know your market and crunch the numbers. In other words, research the heck out of the areas where you might want to buy so that you're comfortable taking that first step when the time comes. Here's what I did to get started:
First I picked 10 random properties for sale each week and drove by them on the weekends. In addition to looking at the for-sale properties, I looked at the landscaping of the surrounding properties, the condition of the cars in the area, the volume of traffic and how many cars were parked on the street. I looked at the condition of the sidewalks and street asphalt, checked out how many people were walking their dogs or generally around after work and on weekends. I was shocked at some of the places I discovered, even though I've lived in this area for over 30 years. I also kept tabs on the prior weeks' properties to get an idea of how quickly they sold. After a while of this, I realized that there were a few areas I really liked. But I didn't know the rental markets for those areas, so I started to keep tabs on that info too.
Knowing the neighborhoods was a great first step but wasn't enough for me. I needed data to feel comfortable making an offer on my first property. So I committed to analyzing at least 5 properties each weekend. I used realtor.com a lot to find a) homes for sale, b) final prices of recently sold homes, and c) the rental rates in my target areas.
All of that made it very easy for me to make an offer on my first property, which eventually fell through because of major damage and the sellers unwillingness to give concessions. A few days later, a great deal hit the market and I made an offer the same day. We closed ~25 days later and my first tenants moved in 12 days later! I truly believe this success was a result of my efforts.
Again, your multifamily hack is a great plan. It will give you many financial advantages. I wish you much success!