How much time do you spend on making gold? Sounds like you probably farm and also buy low on the AH? I'm slowly working my way up to the 108k for the Grand Expedition Yak and while I don't intend to change my habits towards earning gold (I get 2-5k a week from the bit I play currently) I'm curious what could be changed to help make some maybe a little quicker.
I have been stashing some Ghost Iron Ore and both Trillium Ores for 5.4 since I figure both will be snapped up for the engineering mounts.
I never farm, the game is boring enough at times without having to resort to doing that, and to boot I don't have the time to do that. I just play the AH while I'm reading GAF, waiting for LFR to pop the rare time I feel like doing them or whatever. Like hit search for 80-84 MOP blues, read a few posts, switch over, buy anything cheap, hit search on Weapons, read some more posts etc. Spend 2 mins looking @ wowuction's current low auctions and than do whatever. Maybe takes 20 mins tops and sometimes I do it twice a day (second time is much quicker since I don't have to post), and sometimes I don't log on for a few days.
But yeah easy gold maker is MOP Blues. I grabbed this yesterday for 200g.
http://www.wowhead.com/item=87467/ravenclaw-harbinger. Wowheads buyout price is 4k, but that's an easy 8-10k on frostmourne.
But yeah flipping and playing the AH is the way to go...
Magnificent Hides were going for 200g on Frostmourne a few days ago, you need 2 of them for the new leatherworking cooldown, they are all pretty much 300g from this point on and I'm guessing they will go up. You could've been buying hundreds, and hundreds of them between 200-250g in the last 6 weeks to sell for 400g post patch.
You just apply that thinking to other things you notice in patchnotes, just as you have yourself with ghost iron and trillium ore.
the right addons speeds up this process considerably. I would've even bother with this with the default UI for the AH. Like look at this screen.
http://media-curse.cursecdn.com/attachments/2/668/1d638e6bba70ad1212732e454aa2648e.JPG
Say everything under 5g per item is the "price" you're going for. To purchase 9 stacks of 5 and 4 stacks of 20 i only need to make 14 keypresses. Not only does it save on clliking a lot of shit, It lists them in the right order, so in the default UI i'm clicking way too much and having to scroll all over the place to get the right one. Search might take a min or two but I'm doing something else while that's going on.
Once you get the pricing on your realm, and the process right it's doesn't take much time at all. Of course the more you put into it the more you get out of it, like I only have 4 "goldmaking" toons on my server yet others have 11 90's by now lol.
But for the amount of time I play, the effort I put into it, I'm happy with it. And whenever I eventually level another character to 90 (I have a 78, 73, 73 and 69) that's just another string to my bow.
You also have to know when to cut your losses, like I have 36 haunting spirits on my alliance toon, got them for like 1.4k when 2k was the avg price, they've crashed to like 1.2k now so I gotta sell them today if possible or whenever I log in next.
Same deal with Sha Crystals, have 400 of them, need to sell as much of them as I can before 5.4. But I can see a big spike in sha crystal enchants week 1 before the new tailoring patterns (the PVP Epics DE into Sha fragments, 3 sha fragments = 1 sha crystal, so cheapest Tailort PVP pattern x 3 = new cost price of Sha Crystal) kills prices pretty quickly.