i made my lock a tailor and enchanter not understanding the dynamics of the WoW economy, i dont have a 'gather' profession unless disenchanting could be considered, but then you dont level up.  I figured i could just make my own armor and give myself buffs, thats all i wanted, but now im at char. lvl 38 and enchant/tailor both about 190, and i wish i had chosen a gathering profession because i have like 5g to my name, just enough to train and not much more.  I know some people make 100g easily by level 40.  lucky for me i dont have to spend 100g to get a mount however.  if i had 2 gathering professions instead, i would have plenty of money to buy armor from AH and enchants from trade channel.  i'm going to stick with it tho to see how it goes at high levels

Tailor is pretty worthless untill highlevel unless you are in a new server (everyone needs bags ^^).

Yes Enchanting is really worth it. I also have a Tailor/Enchanter; your main staple for the start of the game is bags every body needs bags. With stacks of unbolted cloth being second. LVLing is a little slow but then again why did you pick a Warlock in the first place? Tailoring is handy at the upper lvls, I believe enchanting is that same way because what is really the point of enchanting an rare you are going to get rid of in 4 or 5 lvls.

i have a 45 shaman whos a enchanter amd IT HELPS i do +this +that on my self and Dsenchanting stuff that gets old/sell the mats make money  i not rich and my enchanting is 270..PS this is my main deleted my other one (woops)still have over 150g