World-of-warcraft – How to track kills in World of Warcraft

There's a few ways to do this. If you just want to quickly check snapshot of prices without regard for the economy of your particular server, just check Wowhead.

Wowhead displays the items vendor value, as well as the average auction buyout price across all servers.

However, this information is sub-par in that not every servers economy is the same, and in fact substantial price swings occur across realms. Also, for items that are less frequently traded, there may be little to no data.

If you want a more detailed picture, you need to go to the source from which WoWhead derives it's average; The Undermine Journal by contrast, provides a much more comprehensive picture, giving you price history and current pricing data for any item, specific to your realm and faction, as well as the cost of component materials for crafted items, should you wish to just produce them yourself or ask a friend to. Additionally, TUJ distributes an add-on that will allow you to view historic data for an item in game while browsing the AH.

As you can see from this screenshot, The Undermine Journal is far more detailed, as well as providing a more specific and accurate picture - for instance, the item in question (Flask of the Winds again), is roughly 30% more expensive at the Ysera-Alliance auction house than Wowheads average across realms indicated.

(European players will note that TUJ EU site is found here.)

Here is a good answer

Choose a race.

• Before choosing, think of the benefits and disadvantages of the races you choose. For example, Tauren has War Stomp, which is a good stun for Warriors, and +5% health, which is also good for Warriors. Because of this, most Tauren players to Warrior, Death Knight or Feral Druid. However, with the case of Night Elves, Stealth is a kind of disadvantage, since it overlaps with rogue and panther(feral druid) abilities. Therefore, it can be seen as "wasted". Search on Google if you want further information.

• It's usually better to decide first on a faction, then on a class, and last on a race; but it's not necessary. Be aware, however, that
  not all classes are available for each race. An example of this is
  the Druid class. Only Night Elves or Worgen (Alliance faction) and Tauren or Trolls (Horde faction) are able to be Druid class. If you have already
  decided to play for the Horde as a Druid, you have no other options
  but to play a Tauren/Troll. Draenei and Dwarves are the only Alliance race that can
  play as Shamans, and Blood Elves and Tauren are the only Horde race that can
  play as Paladins. If you decide on a race before you decide on a
  class, understand that your options may be limited.

• Consider how would you feel playing a certain race. Remember that you will spend months and maybe years watching your character from his or her back, so keep that in mind when picking a race. For example, you may find Gnomes' movements and voice a little annoying, Undead characters' bones poking though their armor a little disturbing, or Orcs' roughness a little unpleasant.