- Its gonna be useless until a good chunk of people are at 60, because no one is starting with anything other than what they can vendor and from quest rewards
- pricing will have to be completely recalibrated from what it is now
- Neutral AH will be the best friend for rare items
So stash all your mats for a while and do trades (cloth for ore, etc) till the economy in classic gets going, because this is gonna be a very interesting start on the gold front