The state that sells the most RVs is California. CA has always had a love affair with RVs. It is a very nature-oriented state.
Texas
florida
arizona
probably Florida since its the most tropical state
Genuine RV (http://www.genuinerv.com) sells used RVs in Nacogddoches.
Florida
California
Florida
No, RVs are not allowed on the Garden State Parkway in New Jersey. The parkway has specific restrictions for certain vehicle types, including buses and trucks, which generally prohibits RVs from using its roadways. Travelers with RVs should instead use alternate routes, such as Interstate 295 or the New Jersey Turnpike. Always check the latest regulations before traveling.
Hawaii
Camping World RV Center sells used RVs as well as new ones for decent prices. You can also buy an old rental RV that people basically just took tailgating to NASCAR races.
Most trucks are capable of hauling RVs. To find out about specific makes, you would need to read the owner's manual.