Postal: Three Ways to Reduce Postal Costs and Increase Response

He cites the example of a cataloger that mailed monthly, but ran its housefile against the change of address file quarterly. In a test mailing, the cataloger ran NCOALink one month earlier than normal, then split the mailing, sending half of the catalogs to the scrubbed names and half to the unscrubbed names. (Scrubbed names have been checked against themselves or given sources for deduping, bad address removal and updating.) Sales per book for the whole mailing were between $3 and $4, with the scrubbed names bringing in more than $4 per book and the unscrubbed names bringing less than $1 per book.