Tips to Building Successful E-Mail Lists, Part 1 of 2

Then figure in your costs, including goods and costs per order, acquisition cost, marketing costs, transaction e-mails, and e-mail cost per 1,000. To determine your profit on an individual e-mail address, factor in the following variables: discount rate, net present value (NPV) profile, cumulative NPV profit, lifetime value, net revenue per e-mail and overall conversion rate.