Facebook Marketing Expert

I am looking for someone that will help teach me to optimize my existing Facebook ad campaigns. I have been running them for a while now just not that smart when it comes to this area and would like any tips or tricks that can be taught to me. Will pay 6 USD per hour and will be paid weekly every Monday through PayPal friends and family. I don't know how long I will need this spot filled for just depends on how well everything is going.l If you can help please send me an app! Thanks!!