To place appropriate Amazon new product automatic ads, you can try the following steps:

Choose the right keywords: When creating ads, choose keywords related to your products. You can use Amazon Advertising's keyword tool to find relevant keywords. Make sure the keywords you choose are relevant to your products and have sufficient search volume.

Set a suitable bid: The bid is the price you are willing to pay for each click on the ad. You need to set a suitable bid to ensure that your ads can be exposed in a highly competitive market. You can use Amazon Advertising's bidding tool to find a suitable bid.

Write attractive ad text: Writing attractive ad text can attract more potential customers to click on your ads. Make sure your ad text is concise and highlights the features and advantages of your product.

Monitor and optimize ad performance: Monitor your ad performance and optimize based on the data. You can use Amazon Advertising's reporting tools to view ad performance data and make adjustments based on the data.

Understand your competitors: Understanding your competitors' advertising strategies and performance can help you develop better advertising strategies. You can use Amazon Advertising's competitor tool to understand your competitors' advertising performance and bidding strategies.

In short, to run the right Amazon new product automatic ads, you need to choose the right keywords, set the right bids, write attractive ad texts, monitor and optimize ad performance, and understand your competitors' advertising strategies.