Help with SEO content writing


I have purchased SEO content written by people with top reviews, but they are still very bad in terms of content. I am looking for someone who understands this:


What niche do you need content for? Sometimes you may have to pay more to get the best quality writing.


The website is for digital signage, kiosks, etc. It is an ecommerce website starting up with conversions wanting to lead to product sales.