Guest posting for my ecommerce business

As an ecommerce business, I am looking to strengthen my online presence by engaging in guest posting. My goal is to reach out to and collaborate with a variety of websites and blogs that could benefit from the content I plan on sharing. I am specifically targeting educational websites so my post must have an educational tone to it. If possible, I would like readers to be able to gain valuable insight about the topic being discussed. Unfortunately, I do not have any existing content to repurpose, so I am hoping to find a freelancer to help me write a unique and interesting article from scratch.