1. Create a new char + class trail on top use goblin for example and login.
2. Use the garrison hearthstone
3. Accept and complete the Quest from the BP trainer in ur garrison. ( the normal one not the daily).
4. Use the item u got from it on ur lvl 1 pet and DING..! lvl25 pet.
5. U can teleport to Ogrimar and buy the racial pet at the golbin trainer 2 for some extra profit.
6. U can create 4 chars with the Class Trail per hour.