Is fear of failure an issue when you commit valuable money in advertising?Well how about if I showed you a way to remove this fear and you know that you would be able to spend money advertising KNOWING you would get a return?Is that a valuable lesson?Course it is!So, how do you do it?The answer is testing!It's simple really.. Instead of sending out 1000 sales letters for example. Send out 500. In these 500 have 5 different headlines so 5 x 100 = 500Why?Well what we are trying to establish here i.