Most of us have spent time writing different blog posts only to leave them untouched later? It's something many people do. But what if those older posts could help you get more visitors, more subscribers, and happier readers? That's where content upgrades come in.

Email newsletters are still a strong marketing tool, but before you start one, you need to think about the good and bad sides. A well-made newsletter can help you connect with customers, build loyalty, and increase sales. For example, a recent guide from Shopify says that successful email campaigns can “attract new customers, strengthen relationships with current ones, raise brand awareness, and boost sales.”