We recently discovered that one local Subway franchise was no longer giving out stamps. So we started frequenting a different Subway location. We had been wondering why the first store had made this change. Now I know why.
Ever since the 1980s, Subway customers have received a stamp for every six-inch sandwich purchased (two stamps for a foot-long); filling up a Sub Club card with the requisite number of stamps entitles the customer to a free sandwich. [...]
