Becoming a landlord is a big step. The current market conditions indicate that rentals will grow in demand as more and more people find themselves unable to qualify for a mortgage.
Here's a link to all the housing athorities in Florida:
As you can see, there are different ones for different cities and counties.
Here's one specifically for prospective landlords in Pinellas County:
They will have another workshop in early December, which would be an excellent learning and networking opportunity for you.
Good luck to you!
I have had great luck with Section 8 programs, and local housing subsidy programs.