You may have noticed that skinning sheep results can result in one of two things: ruined leather scraps or wool. Obviously, leather scraps are pretty much worthless in the World of Warcraft, but that wool is pretty damn useful - and because it's useful, wool sells for a ton at the auction house. This is, of course, assuming you can get a lot of wool. Here are the top 3 tips for getting wool in World of Warcraft:

Level skinning - Make sure you have a high enough level to skin sheep. At lower levels, you'll generally never be able to acquire wool from sheep.