Checkout allows people to complete purchases on your store without leaving Facebook or Instagram. You can provide a checkout option for your customers when you link your list of products in the e-commerce Manager . Understanding checkout It is the time to understand more about uses of checkout option on your Facebook store. If a customer once comes and registers his payment and shipping information for purchase on Facebook or Instagram, Facebook remembers his payment information so that they don’t have to re-enter it every time they want to buy items. again, it is not necessary to create new accounts to complete the purchase. Facebook securely stores customer payment information. With their secure payment information in one place, buyers can complete purchase transactions without logging in to another business website. How to Set Up a Payment Method to Your Facebook Shop 6 Urgent Tips to Promote Your Facebook Shop ...