I always recommend accepting pets, but you should know how to screen them, monitor them, and have strong policies in place to stop problems early.You should regularly monitor your market on Zillow, realtor.com, apartments.com, etc.

Unfortunately it’s not capital gains because you owned it less than a year, its regular income tax.

For the regulars on this site its kind of a running joke.I wonder if that is what the OP is referring to.On the flip side that is what alerts are for.. so if someone mentions are your you can jump in.I guess fine line from spam to wanting to constribute. ??

This happens regularly, according to the on-site care taker of the property.

I am thinking of converting it to a regular apartment so rents can be raised easier and increase the sale price in 2-3 years. 

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

If you got some special stuff your able and willing  to ship to FL please DM me.The special stuff goes to my regular customers at fair prices as you've noticed with the places you've tried.

Good luck. this kind of reminds me of my interaction with new home buyers. and they want to say swap out a light fixture they saw at home depot for 30 bucks.. and I charge 500.00  for one home depot items many times are not certified legal in the state they can sell them but if I get sued because it caused a fire and it was not state approved I am screwed.. ( been there done that one time and you only do it one time).

If it is rated for a 3 bed, but it's not getting super regular use because of vacancy, then I don't know if I would be too worried about it.

Inspect your property regularly and hold tenants accountable before the problems get out of hand.