Please see guide on setting Sku Grid Up to Reprice Without API and also without the Chrome Extension -->> 

https://skugrid.freshdesk.com/a/solutions/articles/5000829094-how-to-set-up-sku-grid-to-reprice-ebay-items-without-api-access-or-chrome-extension-using-file-exchan



Please see guide on setting Sku Fetch Up to List Without API and also without the Chrome Extension -->> https://skugrid.freshdesk.com/solution/articles/5000829098-how-to-set-up-sku-fetch-to-list-ebay-items-without-api-access-or-chrome-extension-using-file-exchange