Actually he has a point. A lot of people make their money selling Myth, which isn't a good idea anymore with Animus/Novus. To fully meld out ONE crafter/gatherer, it can cost you 1m+ gil. I spent about 600k on melds for my Weaver, and then went on to spiritbond about 20-30 of each type of T2 crafting materia, and I used about 60% of them. The amount I had made in that one day would have sold for about 1.5m (assuming I could sell them all at current market price without crashing the price completely with my massive inventory of materia). All in all, I probably used 1.3m gil worth of materia for a single crafting class.