If you want to create a affiliate shop by using WooCommerce this extension is a great choice. You only need the base plugin including a shop extension. You can use Amazon, ebay and many different API to fill your affililate shop.
For the product import you can use the import function from the plugin. Simple select your shop (you can use all connectors for WooCommerce).
When you click on the button "import for woocommerce" the product will be imported as AT product and forwarded to WooCommerce as external product. The import goes within a few seconds and the product is available as affiliate in your store.
All products were updated regulary. You can set the update interval. Also price comparision is available for your productpage. You just need to enable it in the settings page.
You can define a hugh set of product options. You can define the button text, product image, product image gallery, description and many other options.