For best promotion, Williamsville Community Education, Williamsville, New York, Carol Burns, accepting. Registrations increased 12% when post cards were sent out as a follow up to the brochure. But post cards aren’t new. Here’s why they got the award-- for lowering costs to just 5 cents for both printing and mailing. We’re at the beginning of a long term trend of seeing low cost, targeted direct mail. The 5 cent post card enabled this program to reach 28,000 homes for only $1,400. The payback was evident. Look for more low cost direct mail supplements to your main marketing.