If i need cash quick Moat Carp fishing at Knightwell in Ronfaure does it for me...initially its a pain because of low skill and if you want to have an advantage u can buy the equipment. i think i paid like almost 30-40k for it all then 8k for a composite rod. the bait is the good part, right now i'm using little worms until i get rank 10 in fishing (i'm only 5+4 from my equipment so 9) they cost like 12 gil a piece i think. i spend about 2 hours to get 12 moat carp and they sell for 4-5k on Pandy and sometimes i get a stack of crayfish sell for 1k.

if you dont mind the boredom of fishing its a good profit margin considering the cost of bait is low...but buy like 4-5 stacks of bait at low skill because u lose your catch alot. once you get the skill and start making 4-5k an hour fishing its a nice profit. then once u get higher in rank you can move onto bigger things!

i suggest checking out fishing FAQ and manuals to know what stuff to use and when to move on to different baits