Have you been RVing and camping or is this all a new experience? There are so many different styles of fulltiming that it's hard to give advice but for a start - Florida is expensive and can be crowded but it's warm and sunny if you go far enough south. Many fulltimers head to Texas or Arizona for cheaper monthly rates. If you don't want to stay put for a month state parks are a good option. Federal campgrounds in national parks, national forests and corp of engineer parks are 1/2 price for anyone over 62.
$3,000 a month is plenty if you don't have to pay for health insurance or have a monthly payment due on your RV. Lots of people fulltime on less.
Here are some more blogs to keep you busy :-)
http://www.hitchitch.com/links.html
