The actual purchase of a mailing list along with the rights to mail it directly. Permission can only be “sold” if the subsequent mailings continue to match the frequency, brand name, content, and “from” of the past owner’s mailings — and even then this is a somewhat shaky procedure on the spam-front. You are in effect buying a publication, and not just a list.

Building an Opt-In List, Building Relationships
If you aim for success, you must do everything within your means to achieve that. You just donÃt go on sitting there in your house complaining about not getting as much profit as you expect.