In 2.3. you can get a new dragon pet the "Azure Whelpling". Just farm the elite dragons in azshara at the beginning of the new patch and you can sell them for huge money :wave:.
Sorry if its a repost didnt find something when i searched for "Azure Whelpling"
Edit :Another pet you can get in the next patch is the "Tiny Spore Bat" from Sporegarr exalted. You cant sell him but hes easy to get and the most people will wonder where you get it :P