What is your experience with the free [fill in the blank] coupons at fast food chains?
For whatever reason, there have been quite a few coupons for free items (usually with some other purchase, but sometimes not) at fast food chains. I usually just pass them by, as my experience has not been very good with them in the past. I usually get blank looks, followed by "we don't take those here" from the cashier. I avoid the "free [whatever]" days: the crowds usually make it not worth my time. Anybody have good experiences?