http://www.google.com/search?hl=en&i...2sales+copy%22
There are a couple of sales copy skills improvement products for sale based off Google Adwords results.
However my negative thoughts:
.net - This is a massively inferior domain to .com. The term must be very superior for me to believe the .net domain would sell.
Ignoring that I feel the domain suffers a too mundane problem. Sure the term is related to a product that is offered for sale however the domain itself has such a colorless feel to it that I don't expect any sales copy services to use it. Now of course many other mundane names are highly valuble (ex legalcontracts.co.uk) and I would not doubt a business hesitating to use such a domain. The difference is that the consumer will immediately associate a name such as legalcontracts.co.uk with a service. Salescopy.co.uk -- far from it.