Another option to consider is to create and maintain an email newsletter to send to your subscribers. Having a newsletter is a fantastic way to let your visitors know about new coupon codes, special sales, new products, or any other worthy notifications. We're not talking about the scourge of the Internet that we all know and hate: SPAM. We are talking about an opt-in/opt-out system in which we can send store and product news to those readers who want them.
Creating an email newsletter campaign should not take up so much of your time that your store suffers. It can be as simple or as complicated as you need it to be. You can choose to handle everything yourself, or you can pay a third-party company to handle many of the tasks for you. Here are a few options:
Spreadsheet only
Find a plugin for WordPress
A third-party service
Let's take a look at these in detail: