If there's any listings whereby you'd like Profit Protector Pro to ignore specific sellers, you can specify this with the 'Ignore Merchants' option which can be found on every item entry in the repricing page.

Click on this button, and then proceed to enter in the merchant ID.
To find a sellers ID, head onto their Amazon Seller page by clicking on their name on the listing. You can extract the ID from the URL. It'll look something like this;
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Once you've added the merchant ID, you can see the list of sellers you're ignoring.
You can remove them from the list by clicking on the bin icon.
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To ignore sellers globally, you can add their merchant IDs to the Ignore Merchants section of the PPP settings page.
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You can also set up automations based on specific merchants as well.
Head on over to the Automations section, choose 'If a merchant is present on the listing,' and then add their Merchant ID. Then you can choose what action you'd like PPP to take in response to the scenario. Here's an example;
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