WooCommerce can also have external/affiliate products along with Simple, Grouped, or Variable products. The external/affiliate products can be used to drive traffic from your store to Amazon, eBay, or any other online retailer that has an affiliate program active.
How to change the buy now link and text?
Edit a product, set the product type to External/Affiliate, and then set the Product URL and Button text fields as follows:
The Buy Now button will now use the custom text and link set while editing the product: