I have a pretty large emergency fund in place for those properties, but I wonder if that capital could be better employed elsewhere (potentially acquire another property).  

To be more specific about what i'm looking to do: My 1-2 year goal is to employ the BRRRR strategy with SFHs and Condos by buying distressed / highly undervalued properties that need work (preferably all-cash) in low crime areas with strong rental demand, renovate them within budget (again preferably all-cash) and get them rent ready before refinancing them at the highest ARV possible.

Employing the BRRRR ?

As our team has grown, it's become easier to cover responsibilities if someone quits, goes on vacation, or if we terminate employment, compared to when we had one or two homes. 

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Many opt for other investing methods in their SDIRA like private lending, crypto, private equity...anything except collectibles and life insurance.Note that a Solo 401k is exempt from UBIT on leveraged real estate so if you have self employment activity and no full time employees save for you and your spouse you should consider the Solo K as an option. 

I think that strategy works best in higher areas or mid term rentals near major employers.  

Quote from @Anthony Sigala: Is there any way to get around the 1 year employment history requirement for FHA loans?

From my understanding, no one is employed, they are somehow current with the rent, but they are definitely not someone I would offer a new lease...not even at market rate.  

For all methods you would want to find a market that has strong employment rates, strong income rates for the market, and is a growing or an established market.