My main plan will be to focus on raw gold in the beginning. Then I will spend my gold on leveling tailoring and enchanting so I can shuffle enchanting materials which is likely to be very profitable. I already have some shuffle ideas, and I will look for more. Then I’ll work on obtaining the rare enchanting and tailoring recipes to craft those for gold. 
One thing they told me when I dabbled into computer science back at university was that 80% of the bugs only take 20% of your time to fix. That's why sometimes you see issues persisting for very long times, not because the devs are lazy or incompetent, but because there is usually a priority list of problems, with the severe-but-easy-to-fix ones always taking precedent and the not-game-breaking-but-difficult-to-solve problems being last line.
Escort quests can take awhile to do.  I have thoroughly tested all the escort quests in the game for time/xp.  Most are worth doing, but as long as you are able to actually do them without failing.  Most require you to pay special attention to the escortee as most are fragile and will die easily, so do your best to keep mobs off of the escortee during escort quests.  The longest one in the game is the Tanaris chicken escort.  The chicken escorts are only worth doing if you were able to do all 3 of them, as if you do, you will be able to turn in an additional easy quick XP turn in quest at BB, which makes them worth it.

Most profitable professions are considered to be Herbalism and Enchanting in pair. You can have Enchanting only for Disenchanting skill, it will bring decent gold. Consider the fact of disenchanting all soulbound armor, not just selling them to a vendor, but I do not recommend to disenchant any kind of weapons, it is more profitable to sell it to a merchant if it is a soulbound item, or sell it on auction house if it is BoE (bind on equip).
First thing you should do is to learn the market for the specific item you would like to monopolize. Let’s say it is Kingsblood. We can see a stack of Kingsblood is selling for 1 gold. There are 10 stacks on Auction House. To control the market, you have to buy out all the lots of Kingsblood, even single ones. Next move is to make auctions of Kingsblood you have bought for the price you want. Be reasonable and make it 2 gold. But all people are still being used to the old price of 1 gold and will not buy your Kingsblood at first. You have to maintain your auctions for 2 gold all the time, no need to put all Kingsblood you have at once, 3-5 lots are enough at the beginning. You can see, other sellers may start create auctions for 2 gold as well. That’s what we need.  But if someone is selling for cheaper price, buy out their Kingsblood immediately. Soon people will start to accept your price of 2 gold as a regular price and will buy your stuff. Now you just to have to sell all Kingsblood you got. Control several markets. It can be anything, even twink blue items or items level 20-30 or 30-40. Same strategy works everywhere. It requires lots of time to track the markets and check auction house. It is not that easy as it may seem, you should spend at least a week of monitoring to be sure about prices, you will fail if you buy out everything at once without research. Soon or later, too many people will decide to sell your item as well. As they could see price change and think it had happened naturally. Market becomes overflooded. It is important to quit before the collapse. This always happens.
The vanilla WoW Horde leveling guide you see on this site was originally made back in 2006 by Joana (AKA Mancow, or FuriousPaul).  The guides have been tweaked many times over the years to make things "faster".  The leveling guides were made because of all the messages I got from people asking me how I was able to level up so quickly on new realms.  I was first to level 60 on 7 different realms (3 with Mancow and 4 with Joana), even winning Blizzard's "First to Level 50" contest they held back in 2006.
I hate to be the one to say this, but let’s face it: we’re not little kids any more. Even for those of us who played Vanilla when they were well into their adult years will have gotten 14 years older, 14 years wiser, and up to 14 years more experienced with video games. What does that mean for Classic WoW? Well for starters, the grand majority of people who are interested in Classic will now have full time jobs. Some might have families and kids they didn’t have before. Basically, WoW Classic won’t be a big of a chunk in people’s lives as it was back then. Considering how much time you will really need to put into Classic WoW to enjoy everything it has to offer, that might be an issue. Stringing together 40-odd people to storm Blackwing Lair might be significantly more difficult now than it was back then. However, due to the issues I talked about in the paragraph above, it might not need to be the long, arduous hours that many people put into Vanilla raiding. With the right preparation and knowledge, raids in Classic will most likely take considerably less time to complete than they did in Vanilla, which will hopefully counteract the fact that the majority of players will have less overall time and fewer long chunks of time to play. 6. Conclusion In essence, the game itself might not be changing from Vanilla to Classic WoW, but the knowledge and mindset of the players of the game will considerably change the way the game feels. Everyone probably figures that there won’t be that same sense of wonder that Vanilla WoW brought so long ago, and that’s true. Nostalgia can only carry Classic WoW so far. Thankfully, I believe that there is some truly solid game design inVanilla WoW, and the fact that Blizzard have doubled down on creating a verbatim experience for Classic WoW is something that people have been adamant about since the day they announced its release. Only time will tell if ClassicWoW truly is the thing people have been wanting, or whether the new CEO ofBlizzard Jay Allen Brack was right – we thought we wanted it, but we didn’t.
An advice for those who are trying to compete monopolizers: you cannot beat them by selling for less if they follow right steps. You should do opposite: sell for more. Because market will come down if the price goes unreasonably high. You can set a bid on item for the price it should cost and buy out price for higher than a monopolizer is selling. So, common buyer may get an item for the right price or monopolizer has to buy the item at his loss.
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