It is vital to consider the questions that a customer will be answering - the information they will be seeking – at each stage of their journey because your email campaign should provide the answers. If a customer leaves an item in their online basket and they don't complete the purchase, send a personalised basket abandonment email including that very item:
When you're using email as a marketing tool, you're working on a pretty personal basis. This isn't ‘drive-by' stuff -you're directly targeting customers from their inboxes. There's a huge amount of potential which comes with this kind of marketing... but you'll only reap that potential if you REALLY understand both the marketplace you're operating from, and the audience you're talking to.