You can make money selling all sorts of products online. Ideally, you should focus on products that are somehow related to your interest, or you have experience using. But this does not have to be the rule. You can choose to sell anything you want. Familiarity with the product may seem like a benefit in the sense that you will be better at promoting such a product. But again, this does not have to be the rule.
Another good way to choose the product you will sell is to examine the supply and demand. This kind of market evaluation helps you find out products that are most likely to sell better than the rest.
Some ideas regarding the products you are going to sell.
Selling old stuff
Although you might make some money off selling old stuff, this is not particularly a perfect way to make money. You will usually sell things at a cheaper price than when you first bought them, except in cases when you sell inherited stuff, antiques, or maybe collector's items.
Besides the traditional sales, you could also opt for auction sale, which online marketplaces (such as eBay) support. In this case, you would set up a starting price, and set the time for buyers to suggest the price they would be willing to pay for your product. Depending on the type of product and the level of demand, you might end up getting quite a big selling price this way.
Selling your products
If you are crafty and able to make your own product, online marketplaces could be a good way to start. They are actually ideal for beginners who want to keep the expenses low and avoid the hustle of setting up a full-on online store. You can sell anything you make, regardless if that is handmade hair accessories, knitted hats and scarves, or wooden picture frames.
Reselling products
You could also sell products you did not make. In this case, you will be reselling. You will find the products you are interested in selling and then you will create product pages to promote them. The advantage is that you have an amazing product variety to choose from and you do not have to be involved in the production process. The main drawback is that your selling career will depend on certain manufacturers, who are in charge of product quality, buyers price, etc.
Selling your service
The internet enables you to sell all the different kinds of services. You can sell services online, such as offering online consulting sessions. On the other hand, you might just promote your services online while you do the work offline. For example, you could be a personal fitness trainer who promotes these services on your own website. Since the topic of this ebook is making money online, we will explore this virtual realm of offering services later on throughout this ebook, and you will see different kinds of services you can sell to earn money online.