Some classes are better at farming than others from meagamimi3's blog

With so many potential farming locations to choose from, it's worth trying out a few different approaches without devoting too many hours to them at first to get a sense for what you find easiest, most enjoyable, and most profitable.

If you have gathering professions, an addon like GatherMate will most likely make it much easier to ensure that you never miss a herb or a mining node. GatherMate will remember the location of every herb and ore you collect, and it will display that information on both the mini-map and the world map to make gathering easier and more efficient.

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Gathering is a good way to start earning money. Simply look for resources to gather or mine while leveling up your character, especially if you are skilled in skinning. Make a mental note that you will not be able to pass the 225 skill mark in your professions until you reach the level of 35.
One important point to remember is that you should always sell your gathered items at the auction house and use your bank alts to make the process as efficient as possible. You should also try to find consistent buyers for the mats; they are out there – just ask in the chat and keep your eyes peeled for them in the trade chat. This will help you maintain consistency in your sales while also saving you time from having to put mats on the AH.
Farming is more suitable for characters with a higher level (40-50). Farming revolves around instance runs, killing named bosses multiple times, running dungeons again and again for the chance of getting a desired drop, and farming mobs in various locations and areas.
dungeons and dragons
Naturally, the requirements of a perfect grinding spot are best met inside dungeons, where no outside interference is possible, and where you can be assured of receiving full respawns instantly each time the dungeon is reset. The only restriction is that you can only run a total of 5 individual dungeon lockouts per hour before the game will no longer allow you to create new instances of the dungeon, so make sure to plan ahead of time.
Turn the Auction House on its head
You can make a profit by purchasing an item and reselling it for a higher price at an auction house. If you are skilled at flipping Auction House items, you can make a significant amount of WoW Gold in a relatively short period of time.
As a result, you should spend every day scanning the auction house, using some WoW Classic addons to check the current price of enchanting materials at low prices (such as "strange dust"), and then checking the prices of the green items that people post for sale, which generate dust when they are disenchanted. The Enchantrix mod will display the best guess for each disenchantment. This method can be a convenient way to obtain World of Warcraft gold quickly.
Professions are defined as
Professions are extremely important in buy WOW classic gold, as they play a significant role in both earning money and providing much-needed items towards the end of the game, so it's worth learning them as soon as possible, regardless of your intentions.
One of the quickest and most straightforward ways to earn extra gold is to learn some gathering professions as soon as possible – any two of the following: Mining, Herbalism, and Skinning.