ebay is a popular resource for selling various used and unwanted items. However, there are specific sites for selling certain used items such as books, jewelry, wedding dresses, and electronics where you may have greater success. Also, to maximize earnings, it's important to take a great photo of the item and write a compelling, honest description.
If you are struggling to find exactly the material you are looking for, try Open Culture’s listing of free online education courses. The page highlights 1000 lectures, videos and podcasts from universities around the world. The site features a lot of material found only on universities private sites, all in easy to browse categories. This means you can find hundreds of university courses, without having to visit and search each university’s own site.
What It Pays: Though it varies widely by company, you'll likely be paid per post or hourly. Factors that could increase or decrease the pay scale include word count, research, interviewing an expert, and more. Many freelancers are full-time, but if you're looking for a side-hustle to make some weekend money, this is a great option too. According to Pay Scale, the average salary for a freelance writer is about $24/hr.