7 Steps to Killer Ad Copy, Parts 1 And 2You may have heard that 80 percent of the success of any ad depends on the headline. This may be true. No matter what, if the headline doesn't hit 'em between the eyes and arouse enough interest to keep them reading, you will not sell them. Simple as that. Tests have shown that one headline will outpull another by up to 18 times! Would you like to get 18 times as much sales revenue than you are now getting with your weak headlines? Then read on.