Currencies are playing a major role in not only the real world, but also in the world of the net-games. As in the ffxiv, ffxiv gil becomes the major component of the game.

You'd basically be a botanist or a fisherman, or a miner, and will get all the materials and sell them to those people who are crafting. You can easily fish or mine minerals and sell the materials that you gather to people who are going to use them. They are hoping that they can sell their crafted items for more than they bought the materials from you, so everybody is happy.

In addition, you can achieve the goal by making FFXIV gil by questing. There are a ton of quests in Final Fantasy that you can do which will give you FFXIV Gil. Normally, throughout the regular progression of the game, you don't run out of FFXIV Gil and you make enough as you go. You never have to stop what you're doing and farm Gil because it's built into the game that you will have enough and get enough.

In the meantime, you can make ffxiv gil through crafting. You can buy materials, or get them from another class, and make them into useful items that people will buy. You would be a Disciple of the Hand, and you'd be a Blacksmith, Weaver, or Alchemist. With materials you're able to make things that are better - and you'll be leveling up while you do it, too.