Low concentration of 2-4 unit properties, so expect competition.

Investors have recently witnessed an unprecedented phenomenon - hyper-concentration of gains in just a handful of companies.

You have a high concentration of military, close to the med center, UTSA, and Alamo Ranch.

Don't concentrate so hard on the financing.

Your issue might be around lending as most lenders either offer worse terms or none at all when you have a high concentration of military personnel.

The first rule I follow is all BRRRRs got to be a good flip and concentrate on the exit strategy.  

However, reliable tenants are the exception, not the norm, and since you're planning to hold the property for many years, you will need to have multiple reliable tenants over the holding period.The only way I know to maximize your odds of always having a reliable tenant is:Select a tenant segment with a high concentration of reliable tenants.Work with a property that is skilled at selecting reliable tenants.

To increase the likelihood of finding a reliable tenant each time, the property should attract a segment with a high concentration of reliable tenants.Housing Characteristics and Tenant Segment Housing RequirementsEach tenant segment has a specific set of housing requirements.

Disproportionately concentrated in a few pockets?  

Determine which tenant pool segment has the highest concentration of "good" tenants and only buy properties that will attract this segment.