There is an extremely good chance I have helped an ecommerce brand similar to yours 2x-5x their sales in 30 days or less with Facebook™ Ads. This is without an agency, and without being left confused trying to run them yourself.
If you're not experiencing the growth you deserve you're probably stuck in the old way of trying to grow. I can tell you EXACTLY how we do it with the new way of installing a proven ecosystem to grow.
You will not find a setup like this ANYWHERE, nor will you find someone who makes it so simple to understand.