This is another area where large, often tech-focused, companies are consistently looking to hire remote workers. Like with customer service agents, tech support specialists are focused on answering customer questions and solving their problems. However, tech support is more specialized, so it does require a little knowledge about working with the product.
Bloggers are typically people who enjoy a particular topic and enjoy writing about it on a semi-regular to regular basis. If you have something you are passionate about, or are an expert in a particular area, you can consider starting a blog. Blogs are a great way to: teach people about a particular skill, entertain, or share about life experiences.