Hey I'm new to web design and I am looking to create a payment gateway for my website. I know there are several shopping cart solutions out there (GoDaddy, ZenCart, PayPal...) but I want to build one myself. I mean, I'm pretty sure Amazon isn't using GoDaddy Quick Shopping cart to process their payments. I'm not looking fir anything close to that kind of complexity, but I was hoping someone with more knowledge than me could point me in the right direction. Thanks!