amdrew

<!-- As indicated by the docs https://easydigitaldownloads.com/docs/creating-custom-add-to-cart-links/ -->
<a href="http://yoururl.com/checkout?edd_action=add_to_cart&download_id=ID_OF_THE_DOWNLOAD">Purchase This</a>

<!-- Following the docs, this doesn't work and adds the download twice -->
<!-- URL looks like this http://eddsupport.sumobithemes.dev/checkout?edd_action=add_to_cart&download_id=10 -->
<a href="http://eddsupport.sumobithemes.dev/checkout?edd_action=add_to_cart&amp;download_id=10">Buy Now</a>


<!--This does work - note the / after checkout -->
<!-- URL looks like this http://eddsupport.sumobithemes.dev/checkout/?edd_action=add_to_cart&download_id=10 -->