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Thanks for the response. I have collected data of keywords with highest impressions in GSC and those are exactly related to my product. I am going to add those keywords in Page title meta and somewhere in content so that I could get some clicks. Some keywords generated more than 52000 impressions but have 0 clicks. I hope this would be a good practice.

Thanks Martijn, I have just embed the video on blog page with channel Name and URL as reference source under the video. Hope this is fine.

The SKU property doesn't need to be an official/registered identifier. It can be anything the merchant chooses. It should ideally be unique in your product catalog, but doesn't need to be unique across merchants. So, you can map to it whatever product ID your catalog has assigned. Can even be a simple database row number if needed.

Do not use the Disavow tool unless you are losing traffic or you got a penalty.