What's the Highest ROI Marketing You Can Do?

It's has many names depending on which guru you pay attention to. Some call it triggered marketing, behavioral marketing, CRM or even lifecycle marketing. It's really all the same thing. 

The basic idea is you send an offer to somebody who's bought from you or subscribed to your list in the past. You make it extremely relevant by timing campaigns to your customers’ behavior, and enticing them to buy.