1.Do daily tasks
Burning Crusade Classic introduces daily tasks, completing these tasks will get a varying amount of Classic TBC Gold, so you can decide which tasks to do first according to your situation. Daily dungeon missions usually provide the most Gold, don't miss them.

2.Create a second character
It is very necessary to have another character. You can choose a profession different from the main character as a supplement. You can also put the second character next to the bank and the mailbox means you can easily send them the extra items of the main character. 

3.Sell Craft items
In addition to making consumables or items yourself, you can also get them to sell at auction houses, provided you know what crafts are most profitable for your server. Also, you can Buy Classic TBC Gold. If you want to make gold through craftsmanship, it is best to upgrade your career first.