
6. Always do the math on the back end. Before the creative side of testing begins, have the math in front of you. Many times the numbers will drive decisions.
7. Always test until you’re satisfied. Don’t roll out any changes to your catalog unless you’re certain of the outcome through testing, retesting and further testing.
Variables You Can Test Today (a checklist to get you started)
List Variables
* Recency — the most recent names from a new list; if your list is “working”; older segments of the list; average order sizes.
* New lists in your product category.
Creative and Printing Variables
* Paper, trim size, pages, formats, photography, copy, ink-jet messages, cover versions, dot whacks, inserts.
Offer Variables
* Gift with purchase, dollar or percentage off, free shipping.
Merchandising Variables
* New or different products; repositioning older or non best-sellers via creative execution.
Jim Gilbert is president of Gilbert Direct Marketing, a full-service catalog and direct marketing agency. His LinkedIn profile can be viewed at www.linkedin.com/in/jimwgilbert or you can post a comment here or e-mail him at jimdirect@aol.com.
- Companies:
- Gilbert Direct Marketing
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- Jim Gilbert

Jim Gilbert has had a storied career in direct and digital marketing resulting in a burning desire to tell stories that educate, inform, and inspire marketers to new heights of success.
After years of marketing consulting, Jim decided it was time to “put his money where his mouth was" and build his own e-commerce company, Premo Natural Products, with its flagship product, Premo Guard Bed Bug & Mite Sprays. Premo in its second year is poised to eclipse 100 percent growth.
Jim has been writing for Target Marketing Group since 2006, first on the pages of Catalog Success Magazine, then as the first blogger for its online division. Jim continues to write for Total Retail.
Along the way, Jim has led the Florida Direct Marketing Association as their Marketing Chair and then three-term President, been an Adjunct Professor of Direct and Digital marketing for Miami International University, and created a lecture series, “The 9 Immutable Laws of Social Media Marketing,” which he has presented across the country at conferences and universities.