The hardest part about picking your Death Knight’s Professions, is that you’ve started at level 55, and if you want to pick them up, you have to start all over from scratch. This can be a very daunting task, and if you don’t have any gold saved up, then crafting professions can be very expensive and time consuming.
That being said, there are a number of different options, and it would be very wasteful not to level up ANY professions as your Death Knight. If you are anxious to get out there into the World of Warcraft with your DK, then you may want to consider picking up two gathering professions. I personally picked up skinning and mining. Mining is probably the most profitable gathering profession in WoW simply because 3 different crafting professions depend on it.
The passive stat bonuses are very nice as well with a boost to stamina and crit rating. These two bonuses are an excellent aid for leveling. Another reason I personally picked skinning as opposed to herbalism or another crafting profession, is because my main is a leatherworker, and could use the extra mats. So it kind of depends on your personal preference, as we will discuss later.
If you do decide to go with a crafting profession, then I would wait to do that until you have reached max level. Players used to pick Death Knight professions based on maximizing stats for raiding. Blizzard has pretty much done away with this by making everything pretty much uniform. At level 85, each profession’s unique bonus provides around 80 extra stat points in any particular area (120 if you’re going for stamina).
This means that you should pick a profession that you will enjoy and one that you will use frequently, either for gear/upgrades, or for money. In regards to crafting, one Death Knight Profession that sticks out like a sore thumb would have to be blacksmithing. The ability to craft your own weapons or armor is very often a much preferred alternative to buying it off the auction house or hoping for a rare drop in raids.
Other professions that fit any class would be Inscription, Enchanting, Alchemy, and Jewelcrafting. All of these provide buffs, bonuses, and upgrades that you can use as a Death Knight. However, these are usable by almost all classes, and the products of these professions, like any other, can be found on the auction house.
If you are looking to make a profit, then you will probably want to pick up Enchanting, Alchemy, or Jewelcrafting. These professions, especially the latter two, are a gold mine. At max level, players are always raiding. They will always need potions and flasks to survive encounters, and they will need gems and enchants for the new gear they pick up.
There are some important factors to consider when choosing your professions, and I used a WoW Gold Guide to help me make these decisions. First, you want to consider the end result: profit, convenience, or fun? Second, you want to consider the actual cost of leveling up your professions. Enchanting and Jewelcrafting can be dreadfully expensive if you don’t do it right. If you’re not leveling up professions in the most efficient, or profitable way, you can throw away thousands of Gold. However with the right knowledge from a WoW Gold Guide, or some wow gold addons, you can make leveling fun, fast, and profitable.