A lot of MarketLine subscribers have told us they’re concerned that their emails to customers are not getting opened, so we’ve been giving you some tips on how to make your email subject lines stronger. Here’s the fourth. If you missed the first three, out our September and October and November posts.

Email Tip #4 – Ask a Question.
Subject lines based on a question work! Here’s one that was successful for an audio program on how to become a published author: Is there a book inside you?