If your product is not showing up on your storefront and it's coming up as "Product Unavailable" that means you haven't added it to any Sales Channels.
Not to worry, this is a really easy fix.
Go to the product you want to fix and on the right hand side you'll see Sales Channels.
Click the Manage button and add it to your Online Store.
Now your product will appear on your Shopify store.
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