Google Adwords Technique: 1000%+ Revenue Increase

I recently blogged about how the change in even a single word in an ad can have absolutely huge impacts on both CTR and conversion.

http://diorex.wordpress.com/2007/01/26/changing-one-word-in-an-ad/

I would also point you to my post on how to determine how many clicks are enough,

http://diorex.wordpress.com/2007/01/29/margin-of-error-in-testing/

Otherwise I think you are doing much more than many of your competitors, which can only serve you well in the long run.

I put myself through college on baseball cards (and owe my love for stats and spreadsheets to them), great to see that some interest is being revived in these collectibles.