You don't have to be a professional photographer to sell your photos for money. People are constantly in need of high-quality, unique stock photography for websites, presentations, brochures, and so on, and are willing to pay for the right image. People generally search for images on stock photography sites like ShutterStock, Dreamstime, and iStockphoto by keywords, not by photographer name, so you have the same chance as anyone else of having your image selected. Just be careful not to post images of trademarked brands, copyrighted art, or people's faces that are readily identifiable unless you have a model release. Virtually anything else is fair game.
For instance, you might use Facebook’s Lookalike Audiences to get your message in front of an audience similar to your core demographic. Or, you could pay a social media influencer to share images of your products to her already well-established community. Paid social media can attract new customers to your brand or product, but you’ll want to conduct market research and A/B testing before investing too much in one social media channel.