Quote Originally Posted by SomeoneElse View Post
Like it or not Valkyrie, gil is mandatory for many activities. Many mounts cost gil, houses cost gil, teleportation cost gil, gear costs gil, raiding costs gill, etc. There are ways around it but for most people gil is necessary. This wouldn't be the most efficient way of making it so why do you think it's a bad idea?
The only thing in your list that actually requires Gil is a house.