The benefits of using a Magento 2 GA4 Extension are,

• Provides real-time reporting.
• Automatically tracks essential eCommerce events.
• Handles automatic Data Layer setup for accurate data collection.
• Reduces errors and ensures reliable tracking with regular updates.
• Saves development time and costs with a pre-built solution.

Read this How to Setup Magento 2 GA4 (Google Analytics 4) with GTM guide to setup this extension.

Here are the few more resource to help you get most out of this Magento 2 GA4 with GTM Support Extension.

• How to Add Google Analytics 4 (GA4) with GTM in Magento 2
• How to Use GA4 with GTM Extension for eCommerce store
• How to Add Google Analytics in Magento 2
• How to Add Google Tag Manager (GTM) to Magento 2