As a Google My Business expert, it's crucial to avoid common mistakes that can impact your visibility. First, ensure your business details are accurate and up-to-date, including address, phone number, and hours of operation. Inaccurate information can lead to lost customers. Avoid neglecting customer reviews—responding promptly boosts engagement. Also, don't overlook adding high-quality photos and posts regularly. Lastly, ensure your category selection is precise, as it helps your business appear in relevant searches. These practices optimize your profile for success.