This is an engineering leveling guide to get you from 1-525. It provides a method of leveling up your engineering, which has been selected for its low cost and simplicity. However, no matter what, leveling engineering is going to be awfully expensive to grind. It is well worth it though, as it is one of the most hilarious and enjoyable professions in PvP with awesome items like the Discombulator Ray.
Definitely use this gold guide and buy all the materials, the gold guide can also be used to learn how to sell the stuff you make to get all your gold back and then some.
In some instances you will have to keep some of the engineering materials you craft to use them later down the road in this leveling guide so I highly recommend that you keep components based off expansion. Everything you make from 1 to 300 from engineering keep until you reach 300 and it might be safe to sell. Then keep everything you make from 300-350, once you hit 350 you’ll be switching to Northrend stuff. I will try to make a note to tell you what stuff to keep when possible.
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