To be honest, I'm sceptical if Huckabee has a real shot at winning Florida in the primary, and he would also have difficulty in the general. It's not so much flyover country, yet a very important state.
http://www.quinnipiac.edu/news-and-events/quinnipiac-university-poll/2016-presidential-swing-state-polls/release-detail?ReleaseID=2131 REGISTERED REPUBLICANS....
MATCHUP Q1A WITHOUT ROMNEY
FL OH PA
Bush 32 10 12
Carson 8 8 8
Christie 3 6 11
Cruz 4 6 6
Huckabee 11 7 10Jindal 3 1 2
Kasich - 14 3
Paul 3 10 3
Perry 1 1 1
Rubio 15 4 4
Santorum 3 1 8
Walker 9 11 6
DK/NA 8 20 22