If you mix these two points together..

You'd learn that it's necessary for you to sell the hole{benefits of your product} to a large number of people..

Through your marketing.

And a good copy helps you craft words necessary for just that.

First, the books with the most turn overs in sales are not known as "best writer"..

They are called "best seller".

This is because, you can be a good writer yet still not make sales, and until you learn to do so those with half your skill will beat you at your own game.

Check next post for continuation..