Here is some news that will make ecommerce webmasters more reassuring. 65% of the visitors who add a system to cart and logout actually return to make a purchase. Here is the time delay between adding a product to cart and making a purchase: < 3 hours : 3% 3-12 hours : 9% 12-24 hours : 22% 1-2 days : 32% 2-3 days : 19% 3-4 days : 7% 4+ days : 8% http://techcrunchies.com/average-delay-in-making-an-online-purchase/