I put these links up as an alternative to sail making as there is always a market for biminis and cuhgions and lazy jack sail bags Sail rite have lots of how to videos on making sailing textile equipment . These would give you the how too so with your talent of sewing should see you make a few dollars around the world
Most sail lofts these day seem to order there sails out of asia as labours cheap there .You could contact a few sail lofts in Australia see if they have any oppotunities for an apprentice or work to gain expiriance in this field