florida
BATFE publishes this data.
No way to answer, since most states do not have registration for ordinary firearms. California would be a candidate for this, simply due to the large population.
Wyoming
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
probably Florida since its the most tropical state
California
Florida
Florida
There are no restrictions placed on selling firearms on Sunday in the state of South Carolina. There are also no permits required to purchase most common firearms in the state.
Hawaii