There is hardly an item on the map that does not have some value and you can take advantage of this fact to your benefit. The grey items could be sold for wow classic gold a gain and the white things are stackable and can be used for crafting. This means that anybody will buy them if you place them up for sale in the Auction House, when the price is right. If you can not be bothered to play auctions and you want to prevent the fees, then you may also simply sell those items in the seller. Some of the items you loot increases in value over time and this really is something to consider when you're handling your storage area.
Upgrade your bags as quickly as you can
In close connection with the previous stage, you will not have the ability to carry much loot in case you don't have a lot of extra storage space on hand to carry these items. This will let you spend additional time looting and leveling and less time managing inventory and operating back and forth. Bags are certainly one of the pricier items and therefore it would be more economical to find a tailor who can make you fit you with a new set of bags in exchange for goods, services or even a smaller cost. You can also loot fabric which is a fantastic thing to continue to.
Locate a Mage-Friend
Another method to save money is by cutting back on some of those expenses. Food and beverage will be a number of the most costly items and until you hit level 40 you'll be spending over 15 gold a popup. But, you could make good buddies with a mage who could conjure these libations to get a cost or a favor or whatever deal you reach. Do not forget that if you go offline for buy wow gold classic over 15 minutes conjure items will evaporate.