Yes, you can start a blog as a side hustle. In fact, blogging is a popular side hustle for many people, as it can be a relatively low-cost and low-time commitment way to make extra money. To start a blog as a side hustle, you will need to choose a niche, create a blog and start publishing content. Once you have a following, you can monetize your blog through a variety of methods, such as advertising, affiliate marketing and selling your own products or services.