I'm looking for an expert who can set up Google Ads and GA4 conversion tracking on my Wordpress site. I specifically want to track product purchases that are completed through an external payment gateway.

Key Requirements:
- Extensive experience with Wordpress.
- Proven expertise in setting up Google Ads and GA4 conversion tracking.
- A comprehensive understanding of tracking purchases through external payment gateways.
- Knowledge and experience with eCommerce tracking.
- Ability to deliver a detailed report post-setup.

Your role will be crucial in helping me understand my conversion metrics and ultimately improve my advertising ROI. Please include examples of similar projects you have completed in your proposal.