Google AdWords Expert

I am looking for a Google AdWords expert to help me boost product sales. My monthly budget for this project is less than $500. I do not have specific keywords or phrases in mind, so I am trusting your expertise to conduct keyword research and target the most effective ones. Ideal skills and experience for this job include:
- Proven experience managing Google AdWords campaigns
- Strong knowledge of keyword research and targeting
- Ability to optimize ad spend to maximize ROI
- Excellent analytical skills to monitor and adjust campaign performance
- Familiarity with e-commerce and online advertising best practices