Shopping carts, also called checkout platforms, is software that allows your customers to buy something from you using a credit or debit card. You would need one of these if you are not using a hosted service like Shopify or Squarespace. If you’re using a landing page builder like LeadPages or Instapage, you would still need a way to take payment from your customers. It’s a third-party solution that handles the technical side of getting paid for your products and services. The companies below have a built-in affiliate management option that lets you create your own affiliate program, manage your affiliates, create ad materials for them and of course, pay them.