The major downside is it takes one of your 2 profession slots. The best way to make gold comes down to #1 on this list, which happens to perform best when you have crafting professions.
You'll pick up a lot of junk when you loot enemies. You may also be tempted to only loot the stuff that looks worthwhile, but money you can make by selling grey items will soon add up
Players with gold already will just buy items straight from players or the auction house making these gold farms reliable and a good source of income for your time invested.
Every WoW pre patch event is a pretty big deal but the one for TBC Classic is particularly important. A lot of veteran World of Warcraft players first stepped foot into