I live right now in a Resort in SW Fla. and have lived here in both a S&B and fiver. Anyway In. The S&B I had a company spray the house every 3 months. That is not necessary for the fiver. If you have a problem use Ortho or Bayer or any other brand and spray the area around your rig. The bottle will hook onto a hose and the application will last about 3 months. A bottle will usually cover 5 to 10 thousand sq. feet. This will kill most of the bugs in the ground including fire ants. If you have fire ants buy Ortho fire ant granules and follow directions. It will dispatch the nest in 24 hours or less. I have never had an ant problem in my RV in Fla. but I have had it up north. If you park on concrete or a hard surface you will have even less issues.