Semi-offtopic: Does Amazon.com in America tend to come out ahead if you comparison shop against it in retail stores? Up here in Canada, Amazon.ca can often be a

Semi-offtopic: Does Amazon.com in America tend to come out ahead if you comparison shop against it in retail stores? Up here in Canada, Amazon.ca can often be a few dollars more expensive for simple items than I can easily get in retail shops. So although I would like to shop more online, I still have a preference for shopping in physical stores.