There are quests, that give you a reinforcment pot for a reward. Now this pot is stuck to you. You can not trade or sell it. But do 2 quests and get 2 pots. hold shift click them and split the stack. One will be possesed and the other will be clear. Send this clear one to your main. BAM free pots
http://www.aldb.info/quest-by-reward-Re ... otion.html
this site will tell you the quest and where to go
tried this again and it does not work =(