Facebook Digital Marketing

Our store are selling furniture, I am looking for a professional optimization who can help me run Facebook ads with an effective way. I am looking for a person who can have their own create ideas for this project. I have to paid a lot for a Marketing Agency but it did not work and wrong target. The project that I would like to do will lost a lot of cost so I need to find another Marketing Agency and make sure they can ensure. the project will be efficient.