Test and grow rich.
Doesn't have quite the same ring as 'Think And Grow Rich' does it?
"Testing" isn't a very sexy topic - but it will be when you it makes you a boatload of moolah!
Why? Because testing variables in direct mail campaigns, phone scripts, sales presentations, and landing pages requires discipline, diligence and patience...in other works WORK.
To get it right, you can only test one variable at a time. This means that if you change a headline, you can't change anything else. Plus you have to make sure all other variables remain the same - like the mailing day if [...]