"I'm at the point where I've gotten out THE lease and it doesn't have anything about locksmith, however the maintenance, repairs section states, " All normal repairs necessary to maintain premises in a tenantable condition shall be done by or under the direction of the landlord, and at the Landlord's expense, except those caused by negligence or acts of the Tenant, which repairs shall be made at the sole coast of the Tenant. 

Continuous flooring concerns generally apply more to wood flooring, where matching is harder and more expensive.

My concern is the time it would take to grow these connections since I ain’t getting any younger! 

There can always be a situation specific to you where your intent was to hold but something cause you to change that. 

Then my second house which was freshly turned had a tenant that up and left after a couple of months and caused excessive damage. 

My biggest concern is managing additional units and tenants.

I understand if you want to sell 1 of the lots, but I'm not sure about your concern about paying off the debt so that you own it free and clear. 

Other areas of concern are wetlands, flood plains, endangered species, archtectural and historic significance. 

Florida and Gulf Coast insurance should be a concern. 

I would be less concerned about the cheapest money and more concerned about decent terms and execution.