While competition hadn't changed dramatically, we noticed some of the competition had pushed up rents on other 3 and 4 BRs in the area.  

So she's just behind in her mortgage and probably has a notice of default or whatever the procedure is in Florida.Your ability to get a loan for the home has nothing to do with her payment history on the home.  

I also notice that @Gregory Schwartz mentioned Huntsville in particular—I definitely think that it’s a strong market for long-term appreciation.As for your concerns about investing out of state, I think an investment strategy that is as close to passive as possible would be best.A do-it-yourself approach—where you acquire a property, place a tenant, interview a bunch of property managers, and handle maintenance yourself—is going to be pretty tough to do remotely.

(Luxury mansion or hosting your home while on a vacation)Have you noticed that your bookings are coming in a chunk?

One option I haven't noticed being mentioned is to auction it.

The return on equity is probably very low considering they are paid off so maybe explore refinancing or selling the lowest performing one(s) or your biggest headaches to reinvest in more lucrative deals.I noticed you also used a metric of number of rentals to attain your goal rather than $$$/month.

Shortly after, I noticed another listing using my property photos but with different rent prices.

And has anyone noticed any particular nuggets to look for?

I don't know why you would think a tenant requesting notice before you accessed the property would be an "unreasonable demand".

You have to go through a whole process by sending them a notice to cue etc.