Seems to be a universal problem in the cavern/cave community..Been diving for years [ just signed on to the 'board' ]..Started cavern diving to fill in winter gap in fossil hunting [Fl. west coast ] but can't find buddies to get enough dives [for my own comfort 'zone' ]to move on to caves...Understandably most of cavern/caves in N. Central Fl. won't allow solo diving...Use to cave dive in Ocala Nat'l forest when attending U of F. [ long time ago, no cert. needed then !! ]. Forgot how much I enjoyed it and want to get back into it !!!..