Its very weird, I have a very high Clickthrough rate on my ads but for the past 2 days my payout rate has dropped almost 50%. Any reason why this should be happening? Im actually now loosing money on driving PPC to my websites as this happened across pretty much all my sites.
On occasion you will just get some bad days. You will also get bad days when the payout per click seems to plummet, as well. Just keep doing what you are doing. It takes about a week to 30 days to see if a certain page is worth it. Then you may have flash in the pan keywords or phrases that seem to be popular at certain times(or just once). For example gotta love having a holiday site during this time of the year. But the other 330 days have gotta suck.