Ok so you want some fast money on world of warcraft and dont really dont fancy grinding.
Make your self a level 1 alt - named Banker, mybanker anything sensible not like imgoingtoscam you or anything lol.
Send your self about 10-20 for your main and head to ah and buy your self any of following (what ever u can get cheapest)
-Jaggal peral
-Iridescent peral
-Purified jaggal perarl
-Smal lustrous
Go to the least populated city on your side, Darnassus or exodar if your alliance im not sure about the horde but u will know.
Now on trade say WTS Righteous orb.
Once somebody wispers you asking for a price shift and click them if there in the same city as you or a mage i would say about 60g this way they should say dosent matter with the item being well over priced. If however there not say 20-30 and explain u dont have long left online and you will C-O-D them the orb. COD them one of the jaggal peral, iridescent peral, purified jaggal perarl, smal lustrous you payed for earilyer
In a hurry or just not reading what it says they will accept the C-O-D (they may not) payment and then relised they just payed 30g for a cheap pearl
Log on about 2days later to avoid being spamed by a very unhappy customer and take your gold and mail it to your main.
have fun