FH are pretty easy to raise if you have the right setup.
Only company in FL I heard about (a long time ago) was breeding them for environmental assessments. (they get the long dollar for every life stage) A guy I knew in Holland, MI... Same thing, day in and day out. That is all he did! I have raised FH, and similar, like the Blackchin and Bluntnose in tanks, not an aquarium! And did well as far as the experiments and outcome.
It is a bit more involved than what I am saying right now, and takes careful planning and following a developed protocol.
6-8 hundred bucks burning a hole in your pocket, probably would net a couple hundred pounds per year if you used cheap plastic barrels. Tropicana probably has a bunch available.
If you really are set on FHM and none are available, do some research
