The recommended minimum frequency for updating the local product inventory feed is daily.

• monthly
• weekly
• quarterly
• daily

The correct answer is: Daily

Explanation: To provide users with the most accurate information, it’s crucial to update your local product inventory feed daily. This allows for consistent reflection of store inventory and prices. Furthermore, there’s flexibility to submit multiple updates within a day for specific inventory segments, ensuring real-time accuracy.

Read more here: https://support.google.com/merchants/answer/7371791