Josh,
The way we structure it is as follows:
Do 2-3 flips a year (or more - depending on your budget) and use the proceeds from those flips to buy a rental.
For me BRRRR is a modification or a spin on the idea.
The benefit of BRRRR would be lower tax consequences than a flip.
The disadvantage MAY be that lenders sometimes are giving some hard time on how soon after the purchase you can refi and get money out, or more specifically what refi value a lender will agree to use - talk toy our lender more carefully about it.
What I have established for myself and my investors is:
1. Short term engine (flips) to generate cash to by more rentals.
2. Long term engine (rentals)
2.1. Some low-end rentals w/ strong cashflow to offset the low CF of the mid-range rentals.
Tampa is HOT and if I was you I'd move as fast as I can.
BTW, so far just in Tampa in 2016 we did about 20 rentals and 25 flips.
Tampa is only one of our markets.
Don't let the $7k loss scare you - learn from it!
Good luck,