The plan is notorious for minimum insurance and they were previously capped at $20M for larger commercial and HOA properties.

Larger cities offer better infrastructure, such as international airports, interstate highways, and a broader talent pool, making them attractive to businesses and tenants.Avoid Rent ControlRent control laws can hinder your ability to adjust rents to match inflation, limit tenant screening, and complicate evictions.

If you stick with the larger down payments, you’ll have more stability and less risk, especially if the market shifts, but it will slow down how quickly you can buy additional properties.

Furthermore, if you are working on refinancing sixth and investment properties at once, I would put all my focus and energy on working with one lender or one broker who can get you the best terms for cheaper cost all your business to one place typically when I see folks do they save a bit on processing these and origination fees.

I know of some folks in KC and Memphis doing new builds like this, but they are doing it within a much larger and long-term project that includes upwards of 300-500 units built over the course of 5-10 years.Assuming you're looking in Columbia, do you have a "B+/C" neighborhood in mind?

The PMS around here are pretty terrible, I've worked with a lot of the larger ones in Cleveland and I think they just take on more properties than they can effectively handle and don't hire enough additional employees to make it work. 

Without accounting for management fees (I have not yet decided if I will try to self manage), and with planning to raise rents to typical market of $825 for each of the smaller units, and $1200 for the larger unit, does this seem like a worthy first investment? 

I've had them long enough to keep pushing up rents so that I am at the top of my niche, but know not to exceed it because I'm just about at the point where if I raised rents another $50-$100 I'd be crossing over into the lower end for larger units.

The police love to claim it's a "civil matter" so they won't have to spend time and energy on it. 

If you decide to sell and find an investment property with a greater cash flow potential.A 1031 exchange would allow you to indefinitely all of the tax and use it to your advantage to reinvest into larger nicer property/properties.