I can pre-authorize an amount and if the expense is below that, the vendor can do the repairs without talking to me live4) Urgent maintenance issues - say a pipe breaks, or tenant is locked out.

My house is in decent shape, but I don't know what the lifespan of a typical aluminum roof, AC, and other common features for a house in Florida would be.

Whether that is okay for you or not is up to you, but it is very common to be negative cash flow, given that it is not accounting for what you are gaining in illiquid equity via amortization or appreciation. 7.5% is probably about right if that is what your lender was saying.

I am not sure if this is the right place or not but I wanted some input into any obvious issues with my lease option offers to the tenant buyer that earns plenty of income but doesn't have the cash right now and wants to improve credit before purchasing but would like to lock in the price as our market is still struggling with inventory. 

The judge asked every tenant "Where you late with rent", and everyone of them said yes but then proceeded to tell stories about how the landlord was terrible or there were issues and that's why they didn't pay. 

I would more so worry about fixing the actual issue than dealing with the emotional aspect of it. 

I called the agent and it sounds as if the issue was really with the front porch allowing water under it and causing water to leak into the basement.

The key issue on all Self Storage is market analysis.  

I actually just posted a breakdown about this as it is a common question.

The things that really matter are first are you ready, no life events, no job changes, no issues taking your attention.