<human>: Is it possible to make money by selling used books online?
<bot>: Yes, it is possible to make money by selling used books online. There are many online marketplaces that specialize in buying and selling secondhand books. These sites offer a wide range of titles at competitive prices, so you can easily find the right book for your customers. You could also consider setting up an online store with an e-commerce platform such as Shopify or BigCommerce. This will allow you to sell your books directly from your own website.