I always recommend to make even a little passive income from a rental after all your expenses, lets be honest you put a lot of effort into this rehab so you should reap a little return.

I know several investors that are struggling to keep their short and mid term rentals going.

In my estimation it takes 2-5 years before a rental is broken in and feels like a good investment. 

If you're looking to treat this as a regular rental, then charging undermarket rent throws a monkey wrench in that. 

Any recommendations on how many rental properties per LLC?

I had one short term rental that was granted a permit earlier this year and I have been operating it for months now as an STR.

I had somebody contact me about investing in their rental arbitrage.

Questions:1) How many rentals do you have currently or have had in the past?

Miami Rental Market Update: Rents Drop $200 as Affordability Remains a ChallengeMiami has officially ranked as the second-most unaffordable city in the U.S., but there’s some good news for renters: local rents have dropped to a 3-year low, with decreases of up to $200.

Only with a definitive goal can you accurately assess your options.What I hear you saying is that you do want to build a rental portfolio.