Direct Mail Coupon Magazine How Many Times Should I Reach My Customers Per Month And How?

How many times should I reach my customers per month and how? - direct mail coupon magazine

I have a business and I try something new this month. I judge the market for existing customers with special coupons, direct e-mail (for questions and answers) and high compinsation mediated customers about 3 times or more per month per customer.

If this work, and what I can produce more wins?