The Potential Behind Save $25 on $100 Costco.com Purchase via American Express
Update 11/7/12: As can be seen in the below screenshot, I received my $25 statement credit relatively quick after my $100 purchase. Note I made a single transaction of $105 ($55 membership renewal + $50 gift card), but AMEX split them up into separate line items charged on different days. I still received my $25…