Newsletters are possibly the most established form of online marketing. They’re an effective method of promotion that hit so close to home – right inside a customer’s email inbox.

Many website owners and small businesses are hesitant to start a newsletter because it may seem like too much work and hassle.

Here’s a comprehensive list of 30 ideas for newsletter topics that you can use for your own emails. Go over the list, choose the ones that fit your business model or content plan and get ready to hit the “send” button.