To digging through a crazy amount of duplicate name - brand items and picking out what's really worth it? (darlingdearestblog.com)
Not only do lists have duplicate names within themselves, but there is a really good chance some of the names will appear on other lists you've rented and want to mail at the same time. (entrepreneur.com)
The fact is, probably 98 out of 100 mailing lists have duplicate names on them. (entrepreneur.com)