Online shopping carts are a nightmare of reliability. I've pretty much abandoned my trust of them. I even spent time a few years ago contributing to the Ubercar

Online shopping carts are a nightmare of reliability. I've pretty much abandoned my trust of them. I even spent time a few years ago contributing to the Ubercart code base. Something is very fishy in the manner in which financial transactions are handled, as if losses and fraud are expected and baked in.