If you have the skill for promotion, but don't really have any products of your own to sell, you can build a rather lucrative business selling products created by others. This can be done through affiliates, promoting products you trust and getting a portion of the sale if people use your links.
Another way this can be done, is by building a WordPress marketplace. Newer themes and plugins have made this easier than ever, and with the right approach you could attract quite a crowd. The article below has more details.
There’s a great way to make money selling other people’s products. If you’re not a developer, but you’re good at marketing, then creating a marketplace may be right for you.
A marketplace looks like a normal eCommerce store but there’s a single difference: the products aren’t your own. It used to be difficult to create these kinds of marketplaces, but today it’s ridiculously easy because of a combination you may not know about – a plugin, a few extensions, and a theme.
Read the full article: Selling other people's products