Easy setup and use! Put a button anywhere in seconds or integrate with your pre-existing cart. Simple thank you pages and auto delivery integration with Return URLs on any button. Support any size order; Each button can hold multiple items, options, and quantities. Process orders for free when you use your Google Adwords account. Provide your customers with the security of Google Checkout's encrypted forms and secure payment processing. Simply control your shipping and handling within the button code. Allow customers to edit cart from google's page during checkout for last minute decisions. Charge any amount you'd like on your buttons. All code is commented to make life easy for even those not very familiar with php. Helpful Support is always just an email away. Free Upgrades for life. FREE Paypal script that does exactly the same thing as your google checkout script included as a bonus!