System used in direct mail when mailing lists are rented so that a client pays for at least 85% of names supplied no matter how many names are mailed, but the full rental price if 90-95% of list is mailed.
The Mathematics of Direct Sales and Performance Marketing Profitability: How to Make One-Shot and Subscription-Based Products and Services Viable
Before you even begin to think about the detailed techniques of performance marketing and selling your product or service directly – the market, the design of the material, the method of order fulfillment – you …