We lived in it for two years, but we did very minimal upgrades (I am a designer and project manager).

I’m not too excited about rewiring an old house or upgrading the service unless I have to.

More poor folks in an area, more likely to be an OZ2) READ THE RULES - If you buy in this area they will expect you to really upgrade the property. 

Totall rehabbed, including electrical upgrade, new roof, etc.

That said - if you're doing a value add, go with a bridge / hard money loan, then you could take it out with a perm loan once you've completed your upgrades so you can cash out into a downpayment for a new deal. 

In the meantime, bank the net rental income and use the cash to upgrade the property at some future date or use the cash as a down payment for another property.

I think a lot of the school conscious residents are either using the base school or a private school that's nearby.

Here's an article from yesterday: https://www.baynews9.com/fl/tampa/news/2020/07/14/coronavirus-upgrades-planned-for-raymond-james-stadium

I've had a duplex since 2012, with tenants in it since 2013.  2017 was a particularly rough year--my property management company has recorded $5700 of repairs that were done, and in between tenants I performed another $1900 of repairs and upgrades (new cabinets).  

The packet usually has a complete list of upgrades along with the date that they were performed.