Welcome to the club Testing out CJ offers with Adwords will result in a TON of lost money. Eventually you will find the right copy/keyword/bid combo that will actually make you some money. THEN the only thing you need to worry about is offsetting your earnings with your losses for tax purposes (which IMO is the hardest part of the whole ordeal). Best of luck!
Yes, we'll share all of our secrets with you on how we make money. Plain & simple: do research on your niche, do keyword research, and figure out what's profitable. If you're losing money, change your keywords, change your ad text, change your bids.
veki160 if you are losing money on adwords you should immediately stop!!! Take a look at your text ads like tvmatt said. No one here is going to give you specifics on how you can make it rich with adwords like tvmatt said. You need to be smarter than google. do a search on adwords here and see what comes up do some reading take a deep look at the merchant or your site to see if it is user friendly. If you are promoting your own website go to site reviews here and have people do reviews on your site. If you are direct linking and have tons of hits and NO sales/sign ups then you are probably targeting the wrong crowd. tvmatt hit the nail on the head. rep given 2 tvmatt.
Veki160 - take a look at this thread, it may help you. http://forums.digitalpoint.com/showthread.php?t=1280191