To disconnect and reconnect eBay marketplace to your store almost instantaneously, you should deploy a 3rd party service provider that lets you integrate your store. The seamless integration reduces time-consuming activities and lets you sell on eBay from your store without worrying about product, inventory, and order management issues. Not to forget easy linking and disconnection of accounts at will.
You can look for integration service providers by visiting the Shopify app store and searching “eBay.” Look for the best app that suits your needs.