Short answer: Yes, laundromats can be profitable, but profitability depends on a few factors.

A 4-plex would be ideal and you could play around with doing 1 long-term, 1 mid-term, and 1 short-term, plus you, if it works on your area to upgrade your income.

.- If you're going after a seller finance deal I think once you understand what it will take to get to a finished state its simply a matter of aligning your needs as far as short term cashflow with the current rents/situation, with the net number the seller needs after the refinance.  

When it comes to hooking up my follow-up system I've seen a lot of other CRMs fall short with drips (lack of good time delays, no custom mailing function, doesn't pause with a response, can send auto messages after a deal closes, etc) 

Many banks wont touch deals that are sub 90% occupancy, so you could negotiate short term seller financing to help give you runway to make the building bankable for a refinance while you reposition it.

In a short verse, I don't have the numbers :( but in general I just don't know if what I want to do in the long run which is BRRRR would be a good idea if I start with utilizing a VA LOAN for a duplex to begin with.  

I know January and February are slow months, but looking for suggestions to seek bookings in the short term. 

The short answer is No, you don't need it.

Miami is a great place to invest both for short and long term rentals and with condos, property management is simplified but be sure to ask about HOA fees as early as possible especially if you intend to go with a DSCR loan.

The expectation established fell far short given all the mistakes and poor advice.