We pay $750 extra towards the mortgage and have annually made $5000 or $6000 additional payments to the mortgage (4% 30 yr fixed). 

According to numbers I've received from the listing agent, the annual heating/oil expense is just shy of $11,000 a year.

Checking smoke  and carbon monoxide detectors annually which is owner responsibility in this state?

School ratings, Crime, Class of neighborhoods, average annual income, percentage of rentals, types of rental properties (SFR, Duplex, Triplex, 4plex, Apartments), rental rates for each type (1 BR, 2 BR, 3 BR ...)

Too much of a pain reporting annually to an institution with hat in hand.  

The average household annual income in Gotha is 86k.

Larry Wolf at Wolf & Taylor in Clayton.

Additionally, you'll have to remain compliant in both of these jurisdictions by filing Annual Reports.

Push the 750 immediately to 725 and move the other up to the same over the next 8-12 months.Make sure you institute a annual rent increase going forward.

This tenant obviously considers this unit home, so unless there are concerns with them, see if you can keep them.With our current tenants, if they have stayed a year or longer and have been good tenants, we increase rent annually to 50% of the gap between current and market rent.