Check this link even tho it won't answer all your questions it will be a starting point and since your in Florida it will give you ideas how to get more information and maybe some contacts
Small Farms / Alternative Enterprises - Institute of Food and Agricultural Sciences Extension
The Small Farms Conference is also next month in Orlando and there is a track for Beginning Farmers and Ranchers here's a description of one of the topics
Building a Business and Marketing Plan
Get your farm off to the right start with a solid plan! This session will feature business professionals with expertise in building business and marketing plans and offer resources to help new farmers obtain land, apply for credit and navigate legal business decisions
Here's a link to the Conference page
2012 Florida Small Farms and Alternative Enterprises Conference