If you have a lot of gold, you can use it to pay other players to do some of the game’s less exciting activities, like fishing, herbing and mining. Some high-end guilds like to amass large stashes of gold so that they can provide consumable crafted items like stat-enhancing alchemy flasks and cooked food items that buff players, as well as enchantments and gems, to their raiders.
Bags: This SHOULD be a no-brainer. The cheap-o version are Netherweave bags, but if you have the gold I recommend you get the largest bags you can afford, since it means you won't have to stop to clean them out as often. In fact, if you have an excess of gold, it's probably not even worth your time to stop and loot mobs that aren't quest objectives. This seems like a small thing, but over the course of 100+ levels, all those clicks to loot add up.
Stormheim is the zone you want to start it. For some reason Legion treasures are not worth any experience like they are in WoD...except in Stormheim. I haven't been able to find out any reason for this, and it's possible it may get fixed/nerfed at a later date. But for the time being you REALLY want to jump from treasure to treasure to augment your quest experience.
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"The way the glyph market works on most realms is that there are a couple of people willing to put in the long hours who will have every available glyph posted profitably, and undercut within minutes of being undercut. They all reduce the price very minimally when undercutting, and the "competition" isn't about price, it's about who can relist more frequently.
Blizzard upping the health of creatures in those early zones has had a profound effect on how low my health bar gets. Even decked out in a full set of heirloom gear, my little fury warrior hasn’t one-shot much of anything in her 22 levels. Mobs that survive longer hit more often, hence my dangerously low health in the screenshot below. Players have to be a little more mindful now. That’s a good thing.
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